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Finding the Fourth Proportional to 100,369.67, 150,568.82 and 32,887.26

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Solution

The fourth proportional to 100,369.67, 150,568.82 and 32,887.26 is: 49,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,369.67 : 150,568.82 = 32,887.26 : x
  2. Step 2: Convert to fraction form
    100,369.67/150,568.82 = 32,887.26/x
  3. Step 3: Cross multiply
    100,369.67x = 150,568.82 × 32,887.26
  4. Step 4: Simplify right side
    100,369.67x = 4,951,795,766.80
  5. Step 5: Solve for x
    x = 4,951,795,766.80/100,369.67
  6. Step 6: Final answer
    x = 49,335.58

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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.