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Finding the Fourth Proportional to 268,773.80, 403,409.82 and 135,747.48

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Solution

The fourth proportional to 268,773.80, 403,409.82 and 135,747.48 is: 203,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,773.80 : 403,409.82 = 135,747.48 : x
  2. Step 2: Convert to fraction form
    268,773.80/403,409.82 = 135,747.48/x
  3. Step 3: Cross multiply
    268,773.80x = 403,409.82 × 135,747.48
  4. Step 4: Simplify right side
    268,773.80x = 54,761,865,965.60
  5. Step 5: Solve for x
    x = 54,761,865,965.60/268,773.80
  6. Step 6: Final answer
    x = 203,747.04

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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.