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Finding the Fourth Proportional to 271,105.38, 406,230.34 and 100,091.93

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Solution

The fourth proportional to 271,105.38, 406,230.34 and 100,091.93 is: 149,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,105.38 : 406,230.34 = 100,091.93 : x
  2. Step 2: Convert to fraction form
    271,105.38/406,230.34 = 100,091.93/x
  3. Step 3: Cross multiply
    271,105.38x = 406,230.34 × 100,091.93
  4. Step 4: Simplify right side
    271,105.38x = 40,660,377,803.97
  5. Step 5: Solve for x
    x = 40,660,377,803.97/271,105.38
  6. Step 6: Final answer
    x = 149,979.97

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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.