Home / 274,834.09-379,311.11-153,983.56

Finding the Fourth Proportional to 274,834.09, 379,311.11 and 153,983.56

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Solution

The fourth proportional to 274,834.09, 379,311.11 and 153,983.56 is: 212,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,834.09 : 379,311.11 = 153,983.56 : x
  2. Step 2: Convert to fraction form
    274,834.09/379,311.11 = 153,983.56/x
  3. Step 3: Cross multiply
    274,834.09x = 379,311.11 × 153,983.56
  4. Step 4: Simplify right side
    274,834.09x = 58,407,675,065.35
  5. Step 5: Solve for x
    x = 58,407,675,065.35/274,834.09
  6. Step 6: Final answer
    x = 212,519.76

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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.