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Finding the Fourth Proportional to 240,938.72, 361,425.84 and 63,444.50

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Solution

The fourth proportional to 240,938.72, 361,425.84 and 63,444.50 is: 95,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,938.72 : 361,425.84 = 63,444.50 : x
  2. Step 2: Convert to fraction form
    240,938.72/361,425.84 = 63,444.50/x
  3. Step 3: Cross multiply
    240,938.72x = 361,425.84 × 63,444.50
  4. Step 4: Simplify right side
    240,938.72x = 22,930,481,388.66
  5. Step 5: Solve for x
    x = 22,930,481,388.66/240,938.72
  6. Step 6: Final answer
    x = 95,171.43

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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.