Home / 327,598.27-491,573.97-138,189.87

Finding the Fourth Proportional to 327,598.27, 491,573.97 and 138,189.87

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Solution

The fourth proportional to 327,598.27, 491,573.97 and 138,189.87 is: 207,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,598.27 : 491,573.97 = 138,189.87 : x
  2. Step 2: Convert to fraction form
    327,598.27/491,573.97 = 138,189.87/x
  3. Step 3: Cross multiply
    327,598.27x = 491,573.97 × 138,189.87
  4. Step 4: Simplify right side
    327,598.27x = 67,930,543,009.68
  5. Step 5: Solve for x
    x = 67,930,543,009.68/327,598.27
  6. Step 6: Final answer
    x = 207,359.29

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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.