Home / 494,156.43-681,930.97-276,362.69

Finding the Fourth Proportional to 494,156.43, 681,930.97 and 276,362.69

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Solution

The fourth proportional to 494,156.43, 681,930.97 and 276,362.69 is: 381,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,156.43 : 681,930.97 = 276,362.69 : x
  2. Step 2: Convert to fraction form
    494,156.43/681,930.97 = 276,362.69/x
  3. Step 3: Cross multiply
    494,156.43x = 681,930.97 × 276,362.69
  4. Step 4: Simplify right side
    494,156.43x = 188,460,273,162.95
  5. Step 5: Solve for x
    x = 188,460,273,162.95/494,156.43
  6. Step 6: Final answer
    x = 381,377.76

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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.