Home / 381,825.30-526,976.37-274,749.78

Finding the Fourth Proportional to 381,825.30, 526,976.37 and 274,749.78

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Solution

The fourth proportional to 381,825.30, 526,976.37 and 274,749.78 is: 379,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,825.30 : 526,976.37 = 274,749.78 : x
  2. Step 2: Convert to fraction form
    381,825.30/526,976.37 = 274,749.78/x
  3. Step 3: Cross multiply
    381,825.30x = 526,976.37 × 274,749.78
  4. Step 4: Simplify right side
    381,825.30x = 144,786,641,722.70
  5. Step 5: Solve for x
    x = 144,786,641,722.70/381,825.30
  6. Step 6: Final answer
    x = 379,196.04

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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.