Home / 266,764.39-400,195.86-84,441.09

Finding the Fourth Proportional to 266,764.39, 400,195.86 and 84,441.09

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Solution

The fourth proportional to 266,764.39, 400,195.86 and 84,441.09 is: 126,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,764.39 : 400,195.86 = 84,441.09 : x
  2. Step 2: Convert to fraction form
    266,764.39/400,195.86 = 84,441.09/x
  3. Step 3: Cross multiply
    266,764.39x = 400,195.86 × 84,441.09
  4. Step 4: Simplify right side
    266,764.39x = 33,792,972,630.91
  5. Step 5: Solve for x
    x = 33,792,972,630.91/266,764.39
  6. Step 6: Final answer
    x = 126,677.22

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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.