Finding the Fourth Proportional to 539,175.20, 807,207.60 and 361,882.40
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Solution
The fourth proportional to 539,175.20, 807,207.60 and 361,882.40 is: 541,779.78
Step by Step Solution
- Step 1: Write the proportion equation
539,175.20 : 807,207.60 = 361,882.40 : x - Step 2: Convert to fraction form
539,175.20/807,207.60 = 361,882.40/x - Step 3: Cross multiply
539,175.20x = 807,207.60 × 361,882.40 - Step 4: Simplify right side
539,175.20x = 292,114,223,586.24 - Step 5: Solve for x
x = 292,114,223,586.24/539,175.20 - Step 6: Final answer
x = 541,779.78
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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.