Home / 308,377.20-425,632.44-200,760.72

Finding the Fourth Proportional to 308,377.20, 425,632.44 and 200,760.72

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Solution

The fourth proportional to 308,377.20, 425,632.44 and 200,760.72 is: 277,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,377.20 : 425,632.44 = 200,760.72 : x
  2. Step 2: Convert to fraction form
    308,377.20/425,632.44 = 200,760.72/x
  3. Step 3: Cross multiply
    308,377.20x = 425,632.44 × 200,760.72
  4. Step 4: Simplify right side
    308,377.20x = 85,450,275,109.76
  5. Step 5: Solve for x
    x = 85,450,275,109.76/308,377.20
  6. Step 6: Final answer
    x = 277,096.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.