Home / 271,331.80-406,997.70-231,242.20

Finding the Fourth Proportional to 271,331.80, 406,997.70 and 231,242.20

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Solution

The fourth proportional to 271,331.80, 406,997.70 and 231,242.20 is: 346,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,331.80 : 406,997.70 = 231,242.20 : x
  2. Step 2: Convert to fraction form
    271,331.80/406,997.70 = 231,242.20/x
  3. Step 3: Cross multiply
    271,331.80x = 406,997.70 × 231,242.20
  4. Step 4: Simplify right side
    271,331.80x = 94,115,043,542.94
  5. Step 5: Solve for x
    x = 94,115,043,542.94/271,331.80
  6. Step 6: Final answer
    x = 346,863.30

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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.