Home / 321,427.26-482,221.20-226,842.12

Finding the Fourth Proportional to 321,427.26, 482,221.20 and 226,842.12

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Solution

The fourth proportional to 321,427.26, 482,221.20 and 226,842.12 is: 340,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,427.26 : 482,221.20 = 226,842.12 : x
  2. Step 2: Convert to fraction form
    321,427.26/482,221.20 = 226,842.12/x
  3. Step 3: Cross multiply
    321,427.26x = 482,221.20 × 226,842.12
  4. Step 4: Simplify right side
    321,427.26x = 109,388,079,316.94
  5. Step 5: Solve for x
    x = 109,388,079,316.94/321,427.26
  6. Step 6: Final answer
    x = 340,319.86

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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.