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Finding the Fourth Proportional to 170,380.52, 255,620.88 and 50,440.52

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Solution

The fourth proportional to 170,380.52, 255,620.88 and 50,440.52 is: 75,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,380.52 : 255,620.88 = 50,440.52 : x
  2. Step 2: Convert to fraction form
    170,380.52/255,620.88 = 50,440.52/x
  3. Step 3: Cross multiply
    170,380.52x = 255,620.88 × 50,440.52
  4. Step 4: Simplify right side
    170,380.52x = 12,893,650,110.06
  5. Step 5: Solve for x
    x = 12,893,650,110.06/170,380.52
  6. Step 6: Final answer
    x = 75,675.61

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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.