Home / 271,442.28-406,898.66-129,249.34

Finding the Fourth Proportional to 271,442.28, 406,898.66 and 129,249.34

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Solution

The fourth proportional to 271,442.28, 406,898.66 and 129,249.34 is: 193,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,442.28 : 406,898.66 = 129,249.34 : x
  2. Step 2: Convert to fraction form
    271,442.28/406,898.66 = 129,249.34/x
  3. Step 3: Cross multiply
    271,442.28x = 406,898.66 × 129,249.34
  4. Step 4: Simplify right side
    271,442.28x = 52,591,383,251.88
  5. Step 5: Solve for x
    x = 52,591,383,251.88/271,442.28
  6. Step 6: Final answer
    x = 193,747.94

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1.5x scale

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.