Home / 226,581.20-339,899.49-76,864.32

Finding the Fourth Proportional to 226,581.20, 339,899.49 and 76,864.32

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Solution

The fourth proportional to 226,581.20, 339,899.49 and 76,864.32 is: 115,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,581.20 : 339,899.49 = 76,864.32 : x
  2. Step 2: Convert to fraction form
    226,581.20/339,899.49 = 76,864.32/x
  3. Step 3: Cross multiply
    226,581.20x = 339,899.49 × 76,864.32
  4. Step 4: Simplify right side
    226,581.20x = 26,126,142,211.23
  5. Step 5: Solve for x
    x = 26,126,142,211.23/226,581.20
  6. Step 6: Final answer
    x = 115,305.87

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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.