Home / 274,716.24-379,103.94-153,856.55

Finding the Fourth Proportional to 274,716.24, 379,103.94 and 153,856.55

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Solution

The fourth proportional to 274,716.24, 379,103.94 and 153,856.55 is: 212,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,716.24 : 379,103.94 = 153,856.55 : x
  2. Step 2: Convert to fraction form
    274,716.24/379,103.94 = 153,856.55/x
  3. Step 3: Cross multiply
    274,716.24x = 379,103.94 × 153,856.55
  4. Step 4: Simplify right side
    274,716.24x = 58,327,622,404.29
  5. Step 5: Solve for x
    x = 58,327,622,404.29/274,716.24
  6. Step 6: Final answer
    x = 212,319.53

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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.