Home / 260,793.30-391,665.15-228,134.10

Finding the Fourth Proportional to 260,793.30, 391,665.15 and 228,134.10

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Solution

The fourth proportional to 260,793.30, 391,665.15 and 228,134.10 is: 342,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,793.30 : 391,665.15 = 228,134.10 : x
  2. Step 2: Convert to fraction form
    260,793.30/391,665.15 = 228,134.10/x
  3. Step 3: Cross multiply
    260,793.30x = 391,665.15 × 228,134.10
  4. Step 4: Simplify right side
    260,793.30x = 89,352,176,496.62
  5. Step 5: Solve for x
    x = 89,352,176,496.62/260,793.30
  6. Step 6: Final answer
    x = 342,616.84

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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.