Home / 274,250.09-411,418.97-84,665.90

Finding the Fourth Proportional to 274,250.09, 411,418.97 and 84,665.90

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Solution

The fourth proportional to 274,250.09, 411,418.97 and 84,665.90 is: 127,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,250.09 : 411,418.97 = 84,665.90 : x
  2. Step 2: Convert to fraction form
    274,250.09/411,418.97 = 84,665.90/x
  3. Step 3: Cross multiply
    274,250.09x = 411,418.97 × 84,665.90
  4. Step 4: Simplify right side
    274,250.09x = 34,833,154,891.70
  5. Step 5: Solve for x
    x = 34,833,154,891.70/274,250.09
  6. Step 6: Final answer
    x = 127,012.37

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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.