Home / 214,942.70-321,648.60-187,167.80

Finding the Fourth Proportional to 214,942.70, 321,648.60 and 187,167.80

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Solution

The fourth proportional to 214,942.70, 321,648.60 and 187,167.80 is: 280,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,942.70 : 321,648.60 = 187,167.80 : x
  2. Step 2: Convert to fraction form
    214,942.70/321,648.60 = 187,167.80/x
  3. Step 3: Cross multiply
    214,942.70x = 321,648.60 × 187,167.80
  4. Step 4: Simplify right side
    214,942.70x = 60,202,260,835.08
  5. Step 5: Solve for x
    x = 60,202,260,835.08/214,942.70
  6. Step 6: Final answer
    x = 280,085.16

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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.