Home / 250,278.27-375,338.91-81,760.20

Finding the Fourth Proportional to 250,278.27, 375,338.91 and 81,760.20

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Solution

The fourth proportional to 250,278.27, 375,338.91 and 81,760.20 is: 122,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,278.27 : 375,338.91 = 81,760.20 : x
  2. Step 2: Convert to fraction form
    250,278.27/375,338.91 = 81,760.20/x
  3. Step 3: Cross multiply
    250,278.27x = 375,338.91 × 81,760.20
  4. Step 4: Simplify right side
    250,278.27x = 30,687,784,349.38
  5. Step 5: Solve for x
    x = 30,687,784,349.38/250,278.27
  6. Step 6: Final answer
    x = 122,614.66

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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.