Home / 271,268.20-406,897.98-84,279.88

Finding the Fourth Proportional to 271,268.20, 406,897.98 and 84,279.88

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Solution

The fourth proportional to 271,268.20, 406,897.98 and 84,279.88 is: 126,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,268.20 : 406,897.98 = 84,279.88 : x
  2. Step 2: Convert to fraction form
    271,268.20/406,897.98 = 84,279.88/x
  3. Step 3: Cross multiply
    271,268.20x = 406,897.98 × 84,279.88
  4. Step 4: Simplify right side
    271,268.20x = 34,293,312,926.64
  5. Step 5: Solve for x
    x = 34,293,312,926.64/271,268.20
  6. Step 6: Final answer
    x = 126,418.48

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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.