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Finding the Fourth Proportional to 170,610.60, 255,962.40 and 52,279.32

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Solution

The fourth proportional to 170,610.60, 255,962.40 and 52,279.32 is: 78,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,610.60 : 255,962.40 = 52,279.32 : x
  2. Step 2: Convert to fraction form
    170,610.60/255,962.40 = 52,279.32/x
  3. Step 3: Cross multiply
    170,610.60x = 255,962.40 × 52,279.32
  4. Step 4: Simplify right side
    170,610.60x = 13,381,540,217.57
  5. Step 5: Solve for x
    x = 13,381,540,217.57/170,610.60
  6. Step 6: Final answer
    x = 78,433.23

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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.