Home / 214,481.60-321,722.40-179,748.80

Finding the Fourth Proportional to 214,481.60, 321,722.40 and 179,748.80

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Solution

The fourth proportional to 214,481.60, 321,722.40 and 179,748.80 is: 269,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,481.60 : 321,722.40 = 179,748.80 : x
  2. Step 2: Convert to fraction form
    214,481.60/321,722.40 = 179,748.80/x
  3. Step 3: Cross multiply
    214,481.60x = 321,722.40 × 179,748.80
  4. Step 4: Simplify right side
    214,481.60x = 57,829,215,333.12
  5. Step 5: Solve for x
    x = 57,829,215,333.12/214,481.60
  6. Step 6: Final answer
    x = 269,623.20

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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.