Finding the Fourth Proportional to 372,264.60, 558,542.70 and 135,631.20
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Solution
The fourth proportional to 372,264.60, 558,542.70 and 135,631.20 is: 203,499.92
Step by Step Solution
- Step 1: Write the proportion equation
372,264.60 : 558,542.70 = 135,631.20 : x - Step 2: Convert to fraction form
372,264.60/558,542.70 = 135,631.20/x - Step 3: Cross multiply
372,264.60x = 558,542.70 × 135,631.20 - Step 4: Simplify right side
372,264.60x = 75,755,816,652.24 - Step 5: Solve for x
x = 75,755,816,652.24/372,264.60 - Step 6: Final answer
x = 203,499.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.