Home / 272,768.44-408,799.38-220,198.84

Finding the Fourth Proportional to 272,768.44, 408,799.38 and 220,198.84

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Solution

The fourth proportional to 272,768.44, 408,799.38 and 220,198.84 is: 330,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,768.44 : 408,799.38 = 220,198.84 : x
  2. Step 2: Convert to fraction form
    272,768.44/408,799.38 = 220,198.84/x
  3. Step 3: Cross multiply
    272,768.44x = 408,799.38 × 220,198.84
  4. Step 4: Simplify right side
    272,768.44x = 90,017,149,268.72
  5. Step 5: Solve for x
    x = 90,017,149,268.72/272,768.44
  6. Step 6: Final answer
    x = 330,013.07

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1.5x scale

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.