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Finding the Fourth Proportional to 344,729.52, 517,116.15 and 167,188.86

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Solution

The fourth proportional to 344,729.52, 517,116.15 and 167,188.86 is: 250,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,729.52 : 517,116.15 = 167,188.86 : x
  2. Step 2: Convert to fraction form
    344,729.52/517,116.15 = 167,188.86/x
  3. Step 3: Cross multiply
    344,729.52x = 517,116.15 × 167,188.86
  4. Step 4: Simplify right side
    344,729.52x = 86,456,059,606.09
  5. Step 5: Solve for x
    x = 86,456,059,606.09/344,729.52
  6. Step 6: Final answer
    x = 250,793.90

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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.