Home / 221,033.68-331,315.64-150,738.64

Finding the Fourth Proportional to 221,033.68, 331,315.64 and 150,738.64

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Solution

The fourth proportional to 221,033.68, 331,315.64 and 150,738.64 is: 225,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,033.68 : 331,315.64 = 150,738.64 : x
  2. Step 2: Convert to fraction form
    221,033.68/331,315.64 = 150,738.64/x
  3. Step 3: Cross multiply
    221,033.68x = 331,315.64 × 150,738.64
  4. Step 4: Simplify right side
    221,033.68x = 49,942,068,984.33
  5. Step 5: Solve for x
    x = 49,942,068,984.33/221,033.68
  6. Step 6: Final answer
    x = 225,947.78

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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.