Home / 327,660.18-491,666.85-138,251.82

Finding the Fourth Proportional to 327,660.18, 491,666.85 and 138,251.82

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Solution

The fourth proportional to 327,660.18, 491,666.85 and 138,251.82 is: 207,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,660.18 : 491,666.85 = 138,251.82 : x
  2. Step 2: Convert to fraction form
    327,660.18/491,666.85 = 138,251.82/x
  3. Step 3: Cross multiply
    327,660.18x = 491,666.85 × 138,251.82
  4. Step 4: Simplify right side
    327,660.18x = 67,973,836,846.17
  5. Step 5: Solve for x
    x = 67,973,836,846.17/327,660.18
  6. Step 6: Final answer
    x = 207,452.24

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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.