Home / 266,083.80-398,791.50-133,001.16

Finding the Fourth Proportional to 266,083.80, 398,791.50 and 133,001.16

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Solution

The fourth proportional to 266,083.80, 398,791.50 and 133,001.16 is: 199,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,083.80 : 398,791.50 = 133,001.16 : x
  2. Step 2: Convert to fraction form
    266,083.80/398,791.50 = 133,001.16/x
  3. Step 3: Cross multiply
    266,083.80x = 398,791.50 × 133,001.16
  4. Step 4: Simplify right side
    266,083.80x = 53,039,732,098.14
  5. Step 5: Solve for x
    x = 53,039,732,098.14/266,083.80
  6. Step 6: Final answer
    x = 199,334.69

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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.