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Finding the Fourth Proportional to 454,301.38, 626,940.03 and 250,359.61

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Solution

The fourth proportional to 454,301.38, 626,940.03 and 250,359.61 is: 345,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,301.38 : 626,940.03 = 250,359.61 : x
  2. Step 2: Convert to fraction form
    454,301.38/626,940.03 = 250,359.61/x
  3. Step 3: Cross multiply
    454,301.38x = 626,940.03 × 250,359.61
  4. Step 4: Simplify right side
    454,301.38x = 156,960,461,404.19
  5. Step 5: Solve for x
    x = 156,960,461,404.19/454,301.38
  6. Step 6: Final answer
    x = 345,498.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.