Finding the Fourth Proportional to 575,140.44, 861,757.08 and 349,819.20
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Solution
The fourth proportional to 575,140.44, 861,757.08 and 349,819.20 is: 524,148.80
Step by Step Solution
- Step 1: Write the proportion equation
575,140.44 : 861,757.08 = 349,819.20 : x - Step 2: Convert to fraction form
575,140.44/861,757.08 = 349,819.20/x - Step 3: Cross multiply
575,140.44x = 861,757.08 × 349,819.20 - Step 4: Simplify right side
575,140.44x = 301,459,172,319.94 - Step 5: Solve for x
x = 301,459,172,319.94/575,140.44 - Step 6: Final answer
x = 524,148.80
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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.