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Finding the Fourth Proportional to 625,737.09, 938,295.07 and 199,217.37

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Solution

The fourth proportional to 625,737.09, 938,295.07 and 199,217.37 is: 298,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.09 : 938,295.07 = 199,217.37 : x
  2. Step 2: Convert to fraction form
    625,737.09/938,295.07 = 199,217.37/x
  3. Step 3: Cross multiply
    625,737.09x = 938,295.07 × 199,217.37
  4. Step 4: Simplify right side
    625,737.09x = 186,924,670,441.80
  5. Step 5: Solve for x
    x = 186,924,670,441.80/625,737.09
  6. Step 6: Final answer
    x = 298,727.17

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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.