Home / 412,229.14-618,244.25-172,213.38

Finding the Fourth Proportional to 412,229.14, 618,244.25 and 172,213.38

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Solution

The fourth proportional to 412,229.14, 618,244.25 and 172,213.38 is: 258,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,229.14 : 618,244.25 = 172,213.38 : x
  2. Step 2: Convert to fraction form
    412,229.14/618,244.25 = 172,213.38/x
  3. Step 3: Cross multiply
    412,229.14x = 618,244.25 × 172,213.38
  4. Step 4: Simplify right side
    412,229.14x = 106,469,931,097.00
  5. Step 5: Solve for x
    x = 106,469,931,097.00/412,229.14
  6. Step 6: Final answer
    x = 258,278.52

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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.