Finding the Fourth Proportional to 486,982.85, 672,023.43 and 272,124.68
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Solution
The fourth proportional to 486,982.85, 672,023.43 and 272,124.68 is: 375,524.85
Step by Step Solution
- Step 1: Write the proportion equation
486,982.85 : 672,023.43 = 272,124.68 : x - Step 2: Convert to fraction form
486,982.85/672,023.43 = 272,124.68/x - Step 3: Cross multiply
486,982.85x = 672,023.43 × 272,124.68 - Step 4: Simplify right side
486,982.85x = 182,874,160,841.25 - Step 5: Solve for x
x = 182,874,160,841.25/486,982.85 - Step 6: Final answer
x = 375,524.85
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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.