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Finding the Fourth Proportional to 271,121.52, 406,736.64 and 93,635.04

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Solution

The fourth proportional to 271,121.52, 406,736.64 and 93,635.04 is: 140,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,121.52 : 406,736.64 = 93,635.04 : x
  2. Step 2: Convert to fraction form
    271,121.52/406,736.64 = 93,635.04/x
  3. Step 3: Cross multiply
    271,121.52x = 406,736.64 × 93,635.04
  4. Step 4: Simplify right side
    271,121.52x = 38,084,801,555.87
  5. Step 5: Solve for x
    x = 38,084,801,555.87/271,121.52
  6. Step 6: Final answer
    x = 140,471.33

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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.