Home / 327,593.42-491,510.31-138,101.48

Finding the Fourth Proportional to 327,593.42, 491,510.31 and 138,101.48

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Solution

The fourth proportional to 327,593.42, 491,510.31 and 138,101.48 is: 207,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,593.42 : 491,510.31 = 138,101.48 : x
  2. Step 2: Convert to fraction form
    327,593.42/491,510.31 = 138,101.48/x
  3. Step 3: Cross multiply
    327,593.42x = 491,510.31 × 138,101.48
  4. Step 4: Simplify right side
    327,593.42x = 67,878,301,246.26
  5. Step 5: Solve for x
    x = 67,878,301,246.26/327,593.42
  6. Step 6: Final answer
    x = 207,202.88

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1.5x scale

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.