Home / 250,256.22-375,306.66-90,311.38

Finding the Fourth Proportional to 250,256.22, 375,306.66 and 90,311.38

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Solution

The fourth proportional to 250,256.22, 375,306.66 and 90,311.38 is: 135,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,256.22 : 375,306.66 = 90,311.38 : x
  2. Step 2: Convert to fraction form
    250,256.22/375,306.66 = 90,311.38/x
  3. Step 3: Cross multiply
    250,256.22x = 375,306.66 × 90,311.38
  4. Step 4: Simplify right side
    250,256.22x = 33,894,462,387.79
  5. Step 5: Solve for x
    x = 33,894,462,387.79/250,256.22
  6. Step 6: Final answer
    x = 135,439.04

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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.