Home / 489,202.10-733,766.70-204,819.20

Finding the Fourth Proportional to 489,202.10, 733,766.70 and 204,819.20

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Solution

The fourth proportional to 489,202.10, 733,766.70 and 204,819.20 is: 307,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,202.10 : 733,766.70 = 204,819.20 : x
  2. Step 2: Convert to fraction form
    489,202.10/733,766.70 = 204,819.20/x
  3. Step 3: Cross multiply
    489,202.10x = 733,766.70 × 204,819.20
  4. Step 4: Simplify right side
    489,202.10x = 150,289,508,480.64
  5. Step 5: Solve for x
    x = 150,289,508,480.64/489,202.10
  6. Step 6: Final answer
    x = 307,213.54

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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.