Home / 345,914.92-518,872.38-267,144.04

Finding the Fourth Proportional to 345,914.92, 518,872.38 and 267,144.04

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Solution

The fourth proportional to 345,914.92, 518,872.38 and 267,144.04 is: 400,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,914.92 : 518,872.38 = 267,144.04 : x
  2. Step 2: Convert to fraction form
    345,914.92/518,872.38 = 267,144.04/x
  3. Step 3: Cross multiply
    345,914.92x = 518,872.38 × 267,144.04
  4. Step 4: Simplify right side
    345,914.92x = 138,613,663,837.62
  5. Step 5: Solve for x
    x = 138,613,663,837.62/345,914.92
  6. Step 6: Final answer
    x = 400,716.06

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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.