Home / 327,008.28-490,301.55-156,137.57

Finding the Fourth Proportional to 327,008.28, 490,301.55 and 156,137.57

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Solution

The fourth proportional to 327,008.28, 490,301.55 and 156,137.57 is: 234,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,008.28 : 490,301.55 = 156,137.57 : x
  2. Step 2: Convert to fraction form
    327,008.28/490,301.55 = 156,137.57/x
  3. Step 3: Cross multiply
    327,008.28x = 490,301.55 × 156,137.57
  4. Step 4: Simplify right side
    327,008.28x = 76,554,490,132.73
  5. Step 5: Solve for x
    x = 76,554,490,132.73/327,008.28
  6. Step 6: Final answer
    x = 234,105.66

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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.