Finding the Fourth Proportional to 212,226.92, 318,305.78 and 62,432.18
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Solution
The fourth proportional to 212,226.92, 318,305.78 and 62,432.18 is: 93,638.09
Step by Step Solution
- Step 1: Write the proportion equation
212,226.92 : 318,305.78 = 62,432.18 : x - Step 2: Convert to fraction form
212,226.92/318,305.78 = 62,432.18/x - Step 3: Cross multiply
212,226.92x = 318,305.78 × 62,432.18 - Step 4: Simplify right side
212,226.92x = 19,872,523,276.08 - Step 5: Solve for x
x = 19,872,523,276.08/212,226.92 - Step 6: Final answer
x = 93,638.09
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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.