Home / 215,721.97-323,592.68-82,567.69

Finding the Fourth Proportional to 215,721.97, 323,592.68 and 82,567.69

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Solution

The fourth proportional to 215,721.97, 323,592.68 and 82,567.69 is: 123,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,721.97 : 323,592.68 = 82,567.69 : x
  2. Step 2: Convert to fraction form
    215,721.97/323,592.68 = 82,567.69/x
  3. Step 3: Cross multiply
    215,721.97x = 323,592.68 × 82,567.69
  4. Step 4: Simplify right side
    215,721.97x = 26,718,299,675.67
  5. Step 5: Solve for x
    x = 26,718,299,675.67/215,721.97
  6. Step 6: Final answer
    x = 123,855.26

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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.