Home / 271,242.60-406,475.10-199,606.20

Finding the Fourth Proportional to 271,242.60, 406,475.10 and 199,606.20

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Solution

The fourth proportional to 271,242.60, 406,475.10 and 199,606.20 is: 299,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,242.60 : 406,475.10 = 199,606.20 : x
  2. Step 2: Convert to fraction form
    271,242.60/406,475.10 = 199,606.20/x
  3. Step 3: Cross multiply
    271,242.60x = 406,475.10 × 199,606.20
  4. Step 4: Simplify right side
    271,242.60x = 81,134,950,105.62
  5. Step 5: Solve for x
    x = 81,134,950,105.62/271,242.60
  6. Step 6: Final answer
    x = 299,123.18

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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.