Home / 274,709.49-412,204.87-130,778.19

Finding the Fourth Proportional to 274,709.49, 412,204.87 and 130,778.19

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Solution

The fourth proportional to 274,709.49, 412,204.87 and 130,778.19 is: 196,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,709.49 : 412,204.87 = 130,778.19 : x
  2. Step 2: Convert to fraction form
    274,709.49/412,204.87 = 130,778.19/x
  3. Step 3: Cross multiply
    274,709.49x = 412,204.87 × 130,778.19
  4. Step 4: Simplify right side
    274,709.49x = 53,907,408,517.03
  5. Step 5: Solve for x
    x = 53,907,408,517.03/274,709.49
  6. Step 6: Final answer
    x = 196,234.24

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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.