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Finding the Fourth Proportional to 275,757.30, 413,635.95 and 88,768.80

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Solution

The fourth proportional to 275,757.30, 413,635.95 and 88,768.80 is: 133,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,757.30 : 413,635.95 = 88,768.80 : x
  2. Step 2: Convert to fraction form
    275,757.30/413,635.95 = 88,768.80/x
  3. Step 3: Cross multiply
    275,757.30x = 413,635.95 × 88,768.80
  4. Step 4: Simplify right side
    275,757.30x = 36,717,966,918.36
  5. Step 5: Solve for x
    x = 36,717,966,918.36/275,757.30
  6. Step 6: Final answer
    x = 133,153.20

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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.