Home / 625,865.74-938,872.01-199,252.20

Finding the Fourth Proportional to 625,865.74, 938,872.01 and 199,252.20

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Solution

The fourth proportional to 625,865.74, 938,872.01 and 199,252.20 is: 298,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,865.74 : 938,872.01 = 199,252.20 : x
  2. Step 2: Convert to fraction form
    625,865.74/938,872.01 = 199,252.20/x
  3. Step 3: Cross multiply
    625,865.74x = 938,872.01 × 199,252.20
  4. Step 4: Simplify right side
    625,865.74x = 187,072,317,529.82
  5. Step 5: Solve for x
    x = 187,072,317,529.82/625,865.74
  6. Step 6: Final answer
    x = 298,901.68

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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.