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Finding the Fourth Proportional to 636,241.26, 954,336.97 and 215,517.13

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Solution

The fourth proportional to 636,241.26, 954,336.97 and 215,517.13 is: 323,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,241.26 : 954,336.97 = 215,517.13 : x
  2. Step 2: Convert to fraction form
    636,241.26/954,336.97 = 215,517.13/x
  3. Step 3: Cross multiply
    636,241.26x = 954,336.97 × 215,517.13
  4. Step 4: Simplify right side
    636,241.26x = 205,675,964,827.30
  5. Step 5: Solve for x
    x = 205,675,964,827.30/636,241.26
  6. Step 6: Final answer
    x = 323,267.25

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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.