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Finding the Fourth Proportional to 174,500.44, 261,747.78 and 43,172.44

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Solution

The fourth proportional to 174,500.44, 261,747.78 and 43,172.44 is: 64,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,500.44 : 261,747.78 = 43,172.44 : x
  2. Step 2: Convert to fraction form
    174,500.44/261,747.78 = 43,172.44/x
  3. Step 3: Cross multiply
    174,500.44x = 261,747.78 × 43,172.44
  4. Step 4: Simplify right side
    174,500.44x = 11,300,290,327.18
  5. Step 5: Solve for x
    x = 11,300,290,327.18/174,500.44
  6. Step 6: Final answer
    x = 64,757.95

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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.