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Finding the Fourth Proportional to 271,272.60, 406,947.30 and 84,264.60

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Solution

The fourth proportional to 271,272.60, 406,947.30 and 84,264.60 is: 126,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,272.60 : 406,947.30 = 84,264.60 : x
  2. Step 2: Convert to fraction form
    271,272.60/406,947.30 = 84,264.60/x
  3. Step 3: Cross multiply
    271,272.60x = 406,947.30 × 84,264.60
  4. Step 4: Simplify right side
    271,272.60x = 34,291,251,455.58
  5. Step 5: Solve for x
    x = 34,291,251,455.58/271,272.60
  6. Step 6: Final answer
    x = 126,408.83

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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.