Home / 274,575.50-412,154.39-243,189.31

Finding the Fourth Proportional to 274,575.50, 412,154.39 and 243,189.31

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Solution

The fourth proportional to 274,575.50, 412,154.39 and 243,189.31 is: 365,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,575.50 : 412,154.39 = 243,189.31 : x
  2. Step 2: Convert to fraction form
    274,575.50/412,154.39 = 243,189.31/x
  3. Step 3: Cross multiply
    274,575.50x = 412,154.39 × 243,189.31
  4. Step 4: Simplify right side
    274,575.50x = 100,231,541,717.57
  5. Step 5: Solve for x
    x = 100,231,541,717.57/274,575.50
  6. Step 6: Final answer
    x = 365,041.83

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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.