Home / 218,089.38-327,000.09-84,814.26

Finding the Fourth Proportional to 218,089.38, 327,000.09 and 84,814.26

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Solution

The fourth proportional to 218,089.38, 327,000.09 and 84,814.26 is: 127,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,089.38 : 327,000.09 = 84,814.26 : x
  2. Step 2: Convert to fraction form
    218,089.38/327,000.09 = 84,814.26/x
  3. Step 3: Cross multiply
    218,089.38x = 327,000.09 × 84,814.26
  4. Step 4: Simplify right side
    218,089.38x = 27,734,270,653.28
  5. Step 5: Solve for x
    x = 27,734,270,653.28/218,089.38
  6. Step 6: Final answer
    x = 127,169.29

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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.