Home / 275,760.45-380,535.17-154,906.83

Finding the Fourth Proportional to 275,760.45, 380,535.17 and 154,906.83

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Solution

The fourth proportional to 275,760.45, 380,535.17 and 154,906.83 is: 213,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,760.45 : 380,535.17 = 154,906.83 : x
  2. Step 2: Convert to fraction form
    275,760.45/380,535.17 = 154,906.83/x
  3. Step 3: Cross multiply
    275,760.45x = 380,535.17 × 154,906.83
  4. Step 4: Simplify right side
    275,760.45x = 58,947,496,113.68
  5. Step 5: Solve for x
    x = 58,947,496,113.68/275,760.45
  6. Step 6: Final answer
    x = 213,763.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.