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Finding the Fourth Proportional to 275,512.96, 413,240.27 and 88,509.88

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Solution

The fourth proportional to 275,512.96, 413,240.27 and 88,509.88 is: 132,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,512.96 : 413,240.27 = 88,509.88 : x
  2. Step 2: Convert to fraction form
    275,512.96/413,240.27 = 88,509.88/x
  3. Step 3: Cross multiply
    275,512.96x = 413,240.27 × 88,509.88
  4. Step 4: Simplify right side
    275,512.96x = 36,575,844,642.67
  5. Step 5: Solve for x
    x = 36,575,844,642.67/275,512.96
  6. Step 6: Final answer
    x = 132,755.44

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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.