Home / 226,389.12-339,346.96-126,402.72

Finding the Fourth Proportional to 226,389.12, 339,346.96 and 126,402.72

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Solution

The fourth proportional to 226,389.12, 339,346.96 and 126,402.72 is: 189,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,389.12 : 339,346.96 = 126,402.72 : x
  2. Step 2: Convert to fraction form
    226,389.12/339,346.96 = 126,402.72/x
  3. Step 3: Cross multiply
    226,389.12x = 339,346.96 × 126,402.72
  4. Step 4: Simplify right side
    226,389.12x = 42,894,378,767.73
  5. Step 5: Solve for x
    x = 42,894,378,767.73/226,389.12
  6. Step 6: Final answer
    x = 189,471.91

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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.