Home / 261,815.65-361,310.38-145,540.04

Finding the Fourth Proportional to 261,815.65, 361,310.38 and 145,540.04

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Solution

The fourth proportional to 261,815.65, 361,310.38 and 145,540.04 is: 200,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,815.65 : 361,310.38 = 145,540.04 : x
  2. Step 2: Convert to fraction form
    261,815.65/361,310.38 = 145,540.04/x
  3. Step 3: Cross multiply
    261,815.65x = 361,310.38 × 145,540.04
  4. Step 4: Simplify right side
    261,815.65x = 52,585,126,793.77
  5. Step 5: Solve for x
    x = 52,585,126,793.77/261,815.65
  6. Step 6: Final answer
    x = 200,847.91

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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.