Home / 272,227.50-408,716.69-187,787.43

Finding the Fourth Proportional to 272,227.50, 408,716.69 and 187,787.43

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Solution

The fourth proportional to 272,227.50, 408,716.69 and 187,787.43 is: 281,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,227.50 : 408,716.69 = 187,787.43 : x
  2. Step 2: Convert to fraction form
    272,227.50/408,716.69 = 187,787.43/x
  3. Step 3: Cross multiply
    272,227.50x = 408,716.69 × 187,787.43
  4. Step 4: Simplify right side
    272,227.50x = 76,751,855,874.27
  5. Step 5: Solve for x
    x = 76,751,855,874.27/272,227.50
  6. Step 6: Final answer
    x = 281,940.13

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1.5x scale

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.