Home / 278,013.75-383,659.79-150,689.85

Finding the Fourth Proportional to 278,013.75, 383,659.79 and 150,689.85

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Solution

The fourth proportional to 278,013.75, 383,659.79 and 150,689.85 is: 207,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,013.75 : 383,659.79 = 150,689.85 : x
  2. Step 2: Convert to fraction form
    278,013.75/383,659.79 = 150,689.85/x
  3. Step 3: Cross multiply
    278,013.75x = 383,659.79 × 150,689.85
  4. Step 4: Simplify right side
    278,013.75x = 57,813,635,452.68
  5. Step 5: Solve for x
    x = 57,813,635,452.68/278,013.75
  6. Step 6: Final answer
    x = 207,952.43

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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.