Finding the Fourth Proportional to 482,571.13, 665,948.95 and 267,711.20
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Solution
The fourth proportional to 482,571.13, 665,948.95 and 267,711.20 is: 369,441.89
Step by Step Solution
- Step 1: Write the proportion equation
482,571.13 : 665,948.95 = 267,711.20 : x - Step 2: Convert to fraction form
482,571.13/665,948.95 = 267,711.20/x - Step 3: Cross multiply
482,571.13x = 665,948.95 × 267,711.20 - Step 4: Simplify right side
482,571.13x = 178,281,992,543.24 - Step 5: Solve for x
x = 178,281,992,543.24/482,571.13 - Step 6: Final answer
x = 369,441.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.