Finding the Fourth Proportional to 247,414.40, 371,121.60 and 107,446.40
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Solution
The fourth proportional to 247,414.40, 371,121.60 and 107,446.40 is: 161,169.60
Step by Step Solution
- Step 1: Write the proportion equation
247,414.40 : 371,121.60 = 107,446.40 : x - Step 2: Convert to fraction form
247,414.40/371,121.60 = 107,446.40/x - Step 3: Cross multiply
247,414.40x = 371,121.60 × 107,446.40 - Step 4: Simplify right side
247,414.40x = 39,875,679,882.24 - Step 5: Solve for x
x = 39,875,679,882.24/247,414.40 - Step 6: Final answer
x = 161,169.60
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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.