Home / 391,826.22-587,738.88-107,519.88

Finding the Fourth Proportional to 391,826.22, 587,738.88 and 107,519.88

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Solution

The fourth proportional to 391,826.22, 587,738.88 and 107,519.88 is: 161,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,826.22 : 587,738.88 = 107,519.88 : x
  2. Step 2: Convert to fraction form
    391,826.22/587,738.88 = 107,519.88/x
  3. Step 3: Cross multiply
    391,826.22x = 587,738.88 × 107,519.88
  4. Step 4: Simplify right side
    391,826.22x = 63,193,613,848.93
  5. Step 5: Solve for x
    x = 63,193,613,848.93/391,826.22
  6. Step 6: Final answer
    x = 161,279.70

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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.