Home / 391,166.45-539,748.04-227,849.86

Finding the Fourth Proportional to 391,166.45, 539,748.04 and 227,849.86

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Solution

The fourth proportional to 391,166.45, 539,748.04 and 227,849.86 is: 314,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,166.45 : 539,748.04 = 227,849.86 : x
  2. Step 2: Convert to fraction form
    391,166.45/539,748.04 = 227,849.86/x
  3. Step 3: Cross multiply
    391,166.45x = 539,748.04 × 227,849.86
  4. Step 4: Simplify right side
    391,166.45x = 122,981,511,511.29
  5. Step 5: Solve for x
    x = 122,981,511,511.29/391,166.45
  6. Step 6: Final answer
    x = 314,396.88

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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.