Home / 391,934.74-587,839.13-107,558.86

Finding the Fourth Proportional to 391,934.74, 587,839.13 and 107,558.86

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Solution

The fourth proportional to 391,934.74, 587,839.13 and 107,558.86 is: 161,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,934.74 : 587,839.13 = 107,558.86 : x
  2. Step 2: Convert to fraction form
    391,934.74/587,839.13 = 107,558.86/x
  3. Step 3: Cross multiply
    391,934.74x = 587,839.13 × 107,558.86
  4. Step 4: Simplify right side
    391,934.74x = 63,227,306,686.19
  5. Step 5: Solve for x
    x = 63,227,306,686.19/391,934.74
  6. Step 6: Final answer
    x = 161,321.01

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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.