Home / 327,727.35-491,658.48-138,188.25

Finding the Fourth Proportional to 327,727.35, 491,658.48 and 138,188.25

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Solution

The fourth proportional to 327,727.35, 491,658.48 and 138,188.25 is: 207,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,727.35 : 491,658.48 = 138,188.25 : x
  2. Step 2: Convert to fraction form
    327,727.35/491,658.48 = 138,188.25/x
  3. Step 3: Cross multiply
    327,727.35x = 491,658.48 × 138,188.25
  4. Step 4: Simplify right side
    327,727.35x = 67,941,424,948.86
  5. Step 5: Solve for x
    x = 67,941,424,948.86/327,727.35
  6. Step 6: Final answer
    x = 207,310.82

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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.