Home / 547,481.43-821,197.26-187,684.20

Finding the Fourth Proportional to 547,481.43, 821,197.26 and 187,684.20

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Solution

The fourth proportional to 547,481.43, 821,197.26 and 187,684.20 is: 281,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,481.43 : 821,197.26 = 187,684.20 : x
  2. Step 2: Convert to fraction form
    547,481.43/821,197.26 = 187,684.20/x
  3. Step 3: Cross multiply
    547,481.43x = 821,197.26 × 187,684.20
  4. Step 4: Simplify right side
    547,481.43x = 154,125,750,785.29
  5. Step 5: Solve for x
    x = 154,125,750,785.29/547,481.43
  6. Step 6: Final answer
    x = 281,517.77

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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.