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Finding the Fourth Proportional to 242,625.86, 334,819.20 and 132,245.46

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Solution

The fourth proportional to 242,625.86, 334,819.20 and 132,245.46 is: 182,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,625.86 : 334,819.20 = 132,245.46 : x
  2. Step 2: Convert to fraction form
    242,625.86/334,819.20 = 132,245.46/x
  3. Step 3: Cross multiply
    242,625.86x = 334,819.20 × 132,245.46
  4. Step 4: Simplify right side
    242,625.86x = 44,278,319,120.83
  5. Step 5: Solve for x
    x = 44,278,319,120.83/242,625.86
  6. Step 6: Final answer
    x = 182,496.29

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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.