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Finding the Fourth Proportional to 375,456.60, 518,127.06 and 203,370.60

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Solution

The fourth proportional to 375,456.60, 518,127.06 and 203,370.60 is: 280,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,456.60 : 518,127.06 = 203,370.60 : x
  2. Step 2: Convert to fraction form
    375,456.60/518,127.06 = 203,370.60/x
  3. Step 3: Cross multiply
    375,456.60x = 518,127.06 × 203,370.60
  4. Step 4: Simplify right side
    375,456.60x = 105,371,811,068.44
  5. Step 5: Solve for x
    x = 105,371,811,068.44/375,456.60
  6. Step 6: Final answer
    x = 280,649.78

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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.