Home / 331,154.50-496,805.79-120,792.43

Finding the Fourth Proportional to 331,154.50, 496,805.79 and 120,792.43

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Solution

The fourth proportional to 331,154.50, 496,805.79 and 120,792.43 is: 181,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,154.50 : 496,805.79 = 120,792.43 : x
  2. Step 2: Convert to fraction form
    331,154.50/496,805.79 = 120,792.43/x
  3. Step 3: Cross multiply
    331,154.50x = 496,805.79 × 120,792.43
  4. Step 4: Simplify right side
    331,154.50x = 60,010,378,612.17
  5. Step 5: Solve for x
    x = 60,010,378,612.17/331,154.50
  6. Step 6: Final answer
    x = 181,215.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.