Home / 281,918.67-422,832.97-82,192.34

Finding the Fourth Proportional to 281,918.67, 422,832.97 and 82,192.34

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Solution

The fourth proportional to 281,918.67, 422,832.97 and 82,192.34 is: 123,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,918.67 : 422,832.97 = 82,192.34 : x
  2. Step 2: Convert to fraction form
    281,918.67/422,832.97 = 82,192.34/x
  3. Step 3: Cross multiply
    281,918.67x = 422,832.97 × 82,192.34
  4. Step 4: Simplify right side
    281,918.67x = 34,753,631,233.45
  5. Step 5: Solve for x
    x = 34,753,631,233.45/281,918.67
  6. Step 6: Final answer
    x = 123,275.38

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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.