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Finding the Fourth Proportional to 381,299.30, 571,953.35 and 115,062.12

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Solution

The fourth proportional to 381,299.30, 571,953.35 and 115,062.12 is: 172,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,299.30 : 571,953.35 = 115,062.12 : x
  2. Step 2: Convert to fraction form
    381,299.30/571,953.35 = 115,062.12/x
  3. Step 3: Cross multiply
    381,299.30x = 571,953.35 × 115,062.12
  4. Step 4: Simplify right side
    381,299.30x = 65,810,165,279.76
  5. Step 5: Solve for x
    x = 65,810,165,279.76/381,299.30
  6. Step 6: Final answer
    x = 172,594.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.