If you know this method, this will be a good review. If you do not know this method, you can use one of the methods described below to solve drug calculation problems. Nonparenteral medications Capsules and unscored tablets are rounded to the nearest whole tablet. Ratio-proportions Ratios indicate a relationship between two numbers with a colon between the numbers. The colon represents division.
Proportions are equations containing ratios of equal value.
When dividing by a fraction, remember to invert and multiply. Q - unit of measure that contains the available dose. Q varies when using liquid measures. 40 mEq per 10cc. It doesn't matter if you use ratios, fractions or the formula, the answer will be the same.