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Finding the Fourth Proportional to 275,838.72, 413,754.24 and 88,851.20

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Solution

The fourth proportional to 275,838.72, 413,754.24 and 88,851.20 is: 133,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,838.72 : 413,754.24 = 88,851.20 : x
  2. Step 2: Convert to fraction form
    275,838.72/413,754.24 = 88,851.20/x
  3. Step 3: Cross multiply
    275,838.72x = 413,754.24 × 88,851.20
  4. Step 4: Simplify right side
    275,838.72x = 36,762,560,729.09
  5. Step 5: Solve for x
    x = 36,762,560,729.09/275,838.72
  6. Step 6: Final answer
    x = 133,275.56

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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.