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Finding the Fourth Proportional to 281,691.44, 388,507.82 and 247,627.42

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Solution

The fourth proportional to 281,691.44, 388,507.82 and 247,627.42 is: 341,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,691.44 : 388,507.82 = 247,627.42 : x
  2. Step 2: Convert to fraction form
    281,691.44/388,507.82 = 247,627.42/x
  3. Step 3: Cross multiply
    281,691.44x = 388,507.82 × 247,627.42
  4. Step 4: Simplify right side
    281,691.44x = 96,205,189,116.42
  5. Step 5: Solve for x
    x = 96,205,189,116.42/281,691.44
  6. Step 6: Final answer
    x = 341,526.85

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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.