Home / 547,034.23-820,917.78-192,049.30

Finding the Fourth Proportional to 547,034.23, 820,917.78 and 192,049.30

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Solution

The fourth proportional to 547,034.23, 820,917.78 and 192,049.30 is: 288,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,034.23 : 820,917.78 = 192,049.30 : x
  2. Step 2: Convert to fraction form
    547,034.23/820,917.78 = 192,049.30/x
  3. Step 3: Cross multiply
    547,034.23x = 820,917.78 × 192,049.30
  4. Step 4: Simplify right side
    547,034.23x = 157,656,685,006.55
  5. Step 5: Solve for x
    x = 157,656,685,006.55/547,034.23
  6. Step 6: Final answer
    x = 288,202.60

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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.