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Finding the Fourth Proportional to 271,244, 406,866.08 and 84,255.52

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Solution

The fourth proportional to 271,244, 406,866.08 and 84,255.52 is: 126,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,244 : 406,866.08 = 84,255.52 : x
  2. Step 2: Convert to fraction form
    271,244/406,866.08 = 84,255.52/x
  3. Step 3: Cross multiply
    271,244x = 406,866.08 × 84,255.52
  4. Step 4: Simplify right side
    271,244x = 34,280,713,140.76
  5. Step 5: Solve for x
    x = 34,280,713,140.76/271,244
  6. Step 6: Final answer
    x = 126,383.30

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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.