Home / 214,195.20-321,292.80-204,057.60

Finding the Fourth Proportional to 214,195.20, 321,292.80 and 204,057.60

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Solution

The fourth proportional to 214,195.20, 321,292.80 and 204,057.60 is: 306,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,195.20 : 321,292.80 = 204,057.60 : x
  2. Step 2: Convert to fraction form
    214,195.20/321,292.80 = 204,057.60/x
  3. Step 3: Cross multiply
    214,195.20x = 321,292.80 × 204,057.60
  4. Step 4: Simplify right side
    214,195.20x = 65,562,237,665.28
  5. Step 5: Solve for x
    x = 65,562,237,665.28/214,195.20
  6. Step 6: Final answer
    x = 306,086.40

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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.