Home / 489,221.10-733,795.20-204,838.20

Finding the Fourth Proportional to 489,221.10, 733,795.20 and 204,838.20

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Solution

The fourth proportional to 489,221.10, 733,795.20 and 204,838.20 is: 307,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,221.10 : 733,795.20 = 204,838.20 : x
  2. Step 2: Convert to fraction form
    489,221.10/733,795.20 = 204,838.20/x
  3. Step 3: Cross multiply
    489,221.10x = 733,795.20 × 204,838.20
  4. Step 4: Simplify right side
    489,221.10x = 150,309,287,936.64
  5. Step 5: Solve for x
    x = 150,309,287,936.64/489,221.10
  6. Step 6: Final answer
    x = 307,242.04

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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.