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Finding the Fourth Proportional to 285,006.22, 427,267.88 and 124,960.87

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Solution

The fourth proportional to 285,006.22, 427,267.88 and 124,960.87 is: 187,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,006.22 : 427,267.88 = 124,960.87 : x
  2. Step 2: Convert to fraction form
    285,006.22/427,267.88 = 124,960.87/x
  3. Step 3: Cross multiply
    285,006.22x = 427,267.88 × 124,960.87
  4. Step 4: Simplify right side
    285,006.22x = 53,391,764,333.81
  5. Step 5: Solve for x
    x = 53,391,764,333.81/285,006.22
  6. Step 6: Final answer
    x = 187,335.43

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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.