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Finding the Fourth Proportional to 271,004.39, 406,425.57 and 81,414.05

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Solution

The fourth proportional to 271,004.39, 406,425.57 and 81,414.05 is: 122,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,004.39 : 406,425.57 = 81,414.05 : x
  2. Step 2: Convert to fraction form
    271,004.39/406,425.57 = 81,414.05/x
  3. Step 3: Cross multiply
    271,004.39x = 406,425.57 × 81,414.05
  4. Step 4: Simplify right side
    271,004.39x = 33,088,751,677.26
  5. Step 5: Solve for x
    x = 33,088,751,677.26/271,004.39
  6. Step 6: Final answer
    x = 122,096.74

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1.5x scale

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.