Home / 381,025.20-571,559.67-114,757.95

Finding the Fourth Proportional to 381,025.20, 571,559.67 and 114,757.95

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Solution

The fourth proportional to 381,025.20, 571,559.67 and 114,757.95 is: 172,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,025.20 : 571,559.67 = 114,757.95 : x
  2. Step 2: Convert to fraction form
    381,025.20/571,559.67 = 114,757.95/x
  3. Step 3: Cross multiply
    381,025.20x = 571,559.67 × 114,757.95
  4. Step 4: Simplify right side
    381,025.20x = 65,591,016,031.88
  5. Step 5: Solve for x
    x = 65,591,016,031.88/381,025.20
  6. Step 6: Final answer
    x = 172,143.51

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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.