Finding the Fourth Proportional to 212,432.95, 318,539.67 and 62,654.17
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Solution
The fourth proportional to 212,432.95, 318,539.67 and 62,654.17 is: 93,948.88
Step by Step Solution
- Step 1: Write the proportion equation
212,432.95 : 318,539.67 = 62,654.17 : x - Step 2: Convert to fraction form
212,432.95/318,539.67 = 62,654.17/x - Step 3: Cross multiply
212,432.95x = 318,539.67 × 62,654.17 - Step 4: Simplify right side
212,432.95x = 19,957,838,635.92 - Step 5: Solve for x
x = 19,957,838,635.92/212,432.95 - Step 6: Final answer
x = 93,948.88
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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.