Home / 271,128.78-406,778.18-163,175.92

Finding the Fourth Proportional to 271,128.78, 406,778.18 and 163,175.92

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Solution

The fourth proportional to 271,128.78, 406,778.18 and 163,175.92 is: 244,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,128.78 : 406,778.18 = 163,175.92 : x
  2. Step 2: Convert to fraction form
    271,128.78/406,778.18 = 163,175.92/x
  3. Step 3: Cross multiply
    271,128.78x = 406,778.18 × 163,175.92
  4. Step 4: Simplify right side
    271,128.78x = 66,376,403,757.43
  5. Step 5: Solve for x
    x = 66,376,403,757.43/271,128.78
  6. Step 6: Final answer
    x = 244,815.04

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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.