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Finding the Fourth Proportional to 344,367.25, 515,691.77 and 217,625.13

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Solution

The fourth proportional to 344,367.25, 515,691.77 and 217,625.13 is: 325,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,367.25 : 515,691.77 = 217,625.13 : x
  2. Step 2: Convert to fraction form
    344,367.25/515,691.77 = 217,625.13/x
  3. Step 3: Cross multiply
    344,367.25x = 515,691.77 × 217,625.13
  4. Step 4: Simplify right side
    344,367.25x = 112,227,487,398.05
  5. Step 5: Solve for x
    x = 112,227,487,398.05/344,367.25
  6. Step 6: Final answer
    x = 325,894.78

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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.