Home / 381,022.36-571,555.14-114,819.64

Finding the Fourth Proportional to 381,022.36, 571,555.14 and 114,819.64

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Solution

The fourth proportional to 381,022.36, 571,555.14 and 114,819.64 is: 172,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,022.36 : 571,555.14 = 114,819.64 : x
  2. Step 2: Convert to fraction form
    381,022.36/571,555.14 = 114,819.64/x
  3. Step 3: Cross multiply
    381,022.36x = 571,555.14 × 114,819.64
  4. Step 4: Simplify right side
    381,022.36x = 65,625,755,414.95
  5. Step 5: Solve for x
    x = 65,625,755,414.95/381,022.36
  6. Step 6: Final answer
    x = 172,235.97

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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.