Home / 278,214.18-383,936.67-150,891.90

Finding the Fourth Proportional to 278,214.18, 383,936.67 and 150,891.90

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Solution

The fourth proportional to 278,214.18, 383,936.67 and 150,891.90 is: 208,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,214.18 : 383,936.67 = 150,891.90 : x
  2. Step 2: Convert to fraction form
    278,214.18/383,936.67 = 150,891.90/x
  3. Step 3: Cross multiply
    278,214.18x = 383,936.67 × 150,891.90
  4. Step 4: Simplify right side
    278,214.18x = 57,932,933,615.97
  5. Step 5: Solve for x
    x = 57,932,933,615.97/278,214.18
  6. Step 6: Final answer
    x = 208,231.42

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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.