Home / 204,861.20-307,291.80-194,723.60

Finding the Fourth Proportional to 204,861.20, 307,291.80 and 194,723.60

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Solution

The fourth proportional to 204,861.20, 307,291.80 and 194,723.60 is: 292,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,861.20 : 307,291.80 = 194,723.60 : x
  2. Step 2: Convert to fraction form
    204,861.20/307,291.80 = 194,723.60/x
  3. Step 3: Cross multiply
    204,861.20x = 307,291.80 × 194,723.60
  4. Step 4: Simplify right side
    204,861.20x = 59,836,965,546.48
  5. Step 5: Solve for x
    x = 59,836,965,546.48/204,861.20
  6. Step 6: Final answer
    x = 292,085.40

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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.