Home / 274,906.20-412,301.70-134,765.40

Finding the Fourth Proportional to 274,906.20, 412,301.70 and 134,765.40

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Solution

The fourth proportional to 274,906.20, 412,301.70 and 134,765.40 is: 202,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,906.20 : 412,301.70 = 134,765.40 : x
  2. Step 2: Convert to fraction form
    274,906.20/412,301.70 = 134,765.40/x
  3. Step 3: Cross multiply
    274,906.20x = 412,301.70 × 134,765.40
  4. Step 4: Simplify right side
    274,906.20x = 55,564,003,521.18
  5. Step 5: Solve for x
    x = 55,564,003,521.18/274,906.20
  6. Step 6: Final answer
    x = 202,119.86

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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.