Home / 278,218.62-383,943.84-150,894.18

Finding the Fourth Proportional to 278,218.62, 383,943.84 and 150,894.18

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Solution

The fourth proportional to 278,218.62, 383,943.84 and 150,894.18 is: 208,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,218.62 : 383,943.84 = 150,894.18 : x
  2. Step 2: Convert to fraction form
    278,218.62/383,943.84 = 150,894.18/x
  3. Step 3: Cross multiply
    278,218.62x = 383,943.84 × 150,894.18
  4. Step 4: Simplify right side
    278,218.62x = 57,934,890,902.85
  5. Step 5: Solve for x
    x = 57,934,890,902.85/278,218.62
  6. Step 6: Final answer
    x = 208,235.13

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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.