Home / 278,000.33-383,640.26-150,675.95

Finding the Fourth Proportional to 278,000.33, 383,640.26 and 150,675.95

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Solution

The fourth proportional to 278,000.33, 383,640.26 and 150,675.95 is: 207,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,000.33 : 383,640.26 = 150,675.95 : x
  2. Step 2: Convert to fraction form
    278,000.33/383,640.26 = 150,675.95/x
  3. Step 3: Cross multiply
    278,000.33x = 383,640.26 × 150,675.95
  4. Step 4: Simplify right side
    278,000.33x = 57,805,360,839.47
  5. Step 5: Solve for x
    x = 57,805,360,839.47/278,000.33
  6. Step 6: Final answer
    x = 207,932.71

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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.