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Finding the Fourth Proportional to 269,591.44, 372,033.80 and 148,733.78

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Solution

The fourth proportional to 269,591.44, 372,033.80 and 148,733.78 is: 205,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,591.44 : 372,033.80 = 148,733.78 : x
  2. Step 2: Convert to fraction form
    269,591.44/372,033.80 = 148,733.78/x
  3. Step 3: Cross multiply
    269,591.44x = 372,033.80 × 148,733.78
  4. Step 4: Simplify right side
    269,591.44x = 55,333,993,361.76
  5. Step 5: Solve for x
    x = 55,333,993,361.76/269,591.44
  6. Step 6: Final answer
    x = 205,251.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.