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Finding the Fourth Proportional to 375,456.62, 518,127.03 and 203,370.59

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Solution

The fourth proportional to 375,456.62, 518,127.03 and 203,370.59 is: 280,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,456.62 : 518,127.03 = 203,370.59 : x
  2. Step 2: Convert to fraction form
    375,456.62/518,127.03 = 203,370.59/x
  3. Step 3: Cross multiply
    375,456.62x = 518,127.03 × 203,370.59
  4. Step 4: Simplify right side
    375,456.62x = 105,371,797,195.41
  5. Step 5: Solve for x
    x = 105,371,797,195.41/375,456.62
  6. Step 6: Final answer
    x = 280,649.73

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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.