Home / 327,701.37-491,743.11-138,150.13

Finding the Fourth Proportional to 327,701.37, 491,743.11 and 138,150.13

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Solution

The fourth proportional to 327,701.37, 491,743.11 and 138,150.13 is: 207,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,701.37 : 491,743.11 = 138,150.13 : x
  2. Step 2: Convert to fraction form
    327,701.37/491,743.11 = 138,150.13/x
  3. Step 3: Cross multiply
    327,701.37x = 491,743.11 × 138,150.13
  4. Step 4: Simplify right side
    327,701.37x = 67,934,374,573.10
  5. Step 5: Solve for x
    x = 67,934,374,573.10/327,701.37
  6. Step 6: Final answer
    x = 207,305.74

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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.