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Finding the Fourth Proportional to 643,517.98, 965,531.22 and 244,264.73

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Solution

The fourth proportional to 643,517.98, 965,531.22 and 244,264.73 is: 366,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,517.98 : 965,531.22 = 244,264.73 : x
  2. Step 2: Convert to fraction form
    643,517.98/965,531.22 = 244,264.73/x
  3. Step 3: Cross multiply
    643,517.98x = 965,531.22 × 244,264.73
  4. Step 4: Simplify right side
    643,517.98x = 235,845,223,821.32
  5. Step 5: Solve for x
    x = 235,845,223,821.32/643,517.98
  6. Step 6: Final answer
    x = 366,493.60

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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.