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Finding the Fourth Proportional to 636,393.41, 954,339.92 and 231,489.50

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Solution

The fourth proportional to 636,393.41, 954,339.92 and 231,489.50 is: 347,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,393.41 : 954,339.92 = 231,489.50 : x
  2. Step 2: Convert to fraction form
    636,393.41/954,339.92 = 231,489.50/x
  3. Step 3: Cross multiply
    636,393.41x = 954,339.92 × 231,489.50
  4. Step 4: Simplify right side
    636,393.41x = 220,919,669,753.39
  5. Step 5: Solve for x
    x = 220,919,669,753.39/636,393.41
  6. Step 6: Final answer
    x = 347,143.24

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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.