Finding the Fourth Proportional to 486,982.79, 672,023.35 and 272,124.62
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Solution
The fourth proportional to 486,982.79, 672,023.35 and 272,124.62 is: 375,524.77
Step by Step Solution
- Step 1: Write the proportion equation
486,982.79 : 672,023.35 = 272,124.62 : x - Step 2: Convert to fraction form
486,982.79/672,023.35 = 272,124.62/x - Step 3: Cross multiply
486,982.79x = 672,023.35 × 272,124.62 - Step 4: Simplify right side
486,982.79x = 182,874,098,749.88 - Step 5: Solve for x
x = 182,874,098,749.88/486,982.79 - Step 6: Final answer
x = 375,524.77
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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.