Home / 214,517.13-321,794.61-79,582.77

Finding the Fourth Proportional to 214,517.13, 321,794.61 and 79,582.77

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Solution

The fourth proportional to 214,517.13, 321,794.61 and 79,582.77 is: 119,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,517.13 : 321,794.61 = 79,582.77 : x
  2. Step 2: Convert to fraction form
    214,517.13/321,794.61 = 79,582.77/x
  3. Step 3: Cross multiply
    214,517.13x = 321,794.61 × 79,582.77
  4. Step 4: Simplify right side
    214,517.13x = 25,609,305,114.60
  5. Step 5: Solve for x
    x = 25,609,305,114.60/214,517.13
  6. Step 6: Final answer
    x = 119,381.16

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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.