Finding the Fourth Proportional to 478,132.04, 717,310.38 and 267,915.08
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Solution
The fourth proportional to 478,132.04, 717,310.38 and 267,915.08 is: 401,935.56
Step by Step Solution
- Step 1: Write the proportion equation
478,132.04 : 717,310.38 = 267,915.08 : x - Step 2: Convert to fraction form
478,132.04/717,310.38 = 267,915.08/x - Step 3: Cross multiply
478,132.04x = 717,310.38 × 267,915.08 - Step 4: Simplify right side
478,132.04x = 192,178,267,842.53 - Step 5: Solve for x
x = 192,178,267,842.53/478,132.04 - Step 6: Final answer
x = 401,935.56
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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.