Home / 367,860.20-551,790.30-131,469.80

Finding the Fourth Proportional to 367,860.20, 551,790.30 and 131,469.80

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Solution

The fourth proportional to 367,860.20, 551,790.30 and 131,469.80 is: 197,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,860.20 : 551,790.30 = 131,469.80 : x
  2. Step 2: Convert to fraction form
    367,860.20/551,790.30 = 131,469.80/x
  3. Step 3: Cross multiply
    367,860.20x = 551,790.30 × 131,469.80
  4. Step 4: Simplify right side
    367,860.20x = 72,543,760,382.94
  5. Step 5: Solve for x
    x = 72,543,760,382.94/367,860.20
  6. Step 6: Final answer
    x = 197,204.70

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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.