Home / 266,974.77-400,420.04-124,918.59

Finding the Fourth Proportional to 266,974.77, 400,420.04 and 124,918.59

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Solution

The fourth proportional to 266,974.77, 400,420.04 and 124,918.59 is: 187,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,974.77 : 400,420.04 = 124,918.59 : x
  2. Step 2: Convert to fraction form
    266,974.77/400,420.04 = 124,918.59/x
  3. Step 3: Cross multiply
    266,974.77x = 400,420.04 × 124,918.59
  4. Step 4: Simplify right side
    266,974.77x = 50,019,906,179.95
  5. Step 5: Solve for x
    x = 50,019,906,179.95/266,974.77
  6. Step 6: Final answer
    x = 187,358.18

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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.