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Finding the Fourth Proportional to 271,414.80, 407,122.20 and 131,446.80

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Solution

The fourth proportional to 271,414.80, 407,122.20 and 131,446.80 is: 197,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,414.80 : 407,122.20 = 131,446.80 : x
  2. Step 2: Convert to fraction form
    271,414.80/407,122.20 = 131,446.80/x
  3. Step 3: Cross multiply
    271,414.80x = 407,122.20 × 131,446.80
  4. Step 4: Simplify right side
    271,414.80x = 53,514,910,398.96
  5. Step 5: Solve for x
    x = 53,514,910,398.96/271,414.80
  6. Step 6: Final answer
    x = 197,170.20

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