Home / 345,145.20-517,791.72-195,456.24

Finding the Fourth Proportional to 345,145.20, 517,791.72 and 195,456.24

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Solution

The fourth proportional to 345,145.20, 517,791.72 and 195,456.24 is: 293,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,145.20 : 517,791.72 = 195,456.24 : x
  2. Step 2: Convert to fraction form
    345,145.20/517,791.72 = 195,456.24/x
  3. Step 3: Cross multiply
    345,145.20x = 517,791.72 × 195,456.24
  4. Step 4: Simplify right side
    345,145.20x = 101,205,622,694.33
  5. Step 5: Solve for x
    x = 101,205,622,694.33/345,145.20
  6. Step 6: Final answer
    x = 293,226.22

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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.