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Finding the Fourth Proportional to 271,072.28, 406,577.66 and 71,408.28

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Solution

The fourth proportional to 271,072.28, 406,577.66 and 71,408.28 is: 107,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,072.28 : 406,577.66 = 71,408.28 : x
  2. Step 2: Convert to fraction form
    271,072.28/406,577.66 = 71,408.28/x
  3. Step 3: Cross multiply
    271,072.28x = 406,577.66 × 71,408.28
  4. Step 4: Simplify right side
    271,072.28x = 29,033,011,387.02
  5. Step 5: Solve for x
    x = 29,033,011,387.02/271,072.28
  6. Step 6: Final answer
    x = 107,104.32

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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.