Finding the Fourth Proportional to 212,517.62, 318,701.39 and 62,717.84
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Solution
The fourth proportional to 212,517.62, 318,701.39 and 62,717.84 is: 94,054.61
Step by Step Solution
- Step 1: Write the proportion equation
212,517.62 : 318,701.39 = 62,717.84 : x - Step 2: Convert to fraction form
212,517.62/318,701.39 = 62,717.84/x - Step 3: Cross multiply
212,517.62x = 318,701.39 × 62,717.84 - Step 4: Simplify right side
212,517.62x = 19,988,260,878.70 - Step 5: Solve for x
x = 19,988,260,878.70/212,517.62 - Step 6: Final answer
x = 94,054.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.