Home / 625,841.97-938,836.25-199,228.32

Finding the Fourth Proportional to 625,841.97, 938,836.25 and 199,228.32

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Solution

The fourth proportional to 625,841.97, 938,836.25 and 199,228.32 is: 298,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,841.97 : 938,836.25 = 199,228.32 : x
  2. Step 2: Convert to fraction form
    625,841.97/938,836.25 = 199,228.32/x
  3. Step 3: Cross multiply
    625,841.97x = 938,836.25 × 199,228.32
  4. Step 4: Simplify right side
    625,841.97x = 187,042,767,846.46
  5. Step 5: Solve for x
    x = 187,042,767,846.46/625,841.97
  6. Step 6: Final answer
    x = 298,865.81

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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.