Home / 278,197.12-383,909.92-150,872.96

Finding the Fourth Proportional to 278,197.12, 383,909.92 and 150,872.96

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Solution

The fourth proportional to 278,197.12, 383,909.92 and 150,872.96 is: 208,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,197.12 : 383,909.92 = 150,872.96 : x
  2. Step 2: Convert to fraction form
    278,197.12/383,909.92 = 150,872.96/x
  3. Step 3: Cross multiply
    278,197.12x = 383,909.92 × 150,872.96
  4. Step 4: Simplify right side
    278,197.12x = 57,921,626,003.76
  5. Step 5: Solve for x
    x = 57,921,626,003.76/278,197.12
  6. Step 6: Final answer
    x = 208,203.54

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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.