Finding the Fourth Proportional to 472,469.28, 708,490.48 and 135,432.80
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Solution
The fourth proportional to 472,469.28, 708,490.48 and 135,432.80 is: 203,088.02
Step by Step Solution
- Step 1: Write the proportion equation
472,469.28 : 708,490.48 = 135,432.80 : x - Step 2: Convert to fraction form
472,469.28/708,490.48 = 135,432.80/x - Step 3: Cross multiply
472,469.28x = 708,490.48 × 135,432.80 - Step 4: Simplify right side
472,469.28x = 95,952,849,479.74 - Step 5: Solve for x
x = 95,952,849,479.74/472,469.28 - Step 6: Final answer
x = 203,088.02
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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.