Home / 322,678.18-444,778.39-219,282.29

Finding the Fourth Proportional to 322,678.18, 444,778.39 and 219,282.29

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Solution

The fourth proportional to 322,678.18, 444,778.39 and 219,282.29 is: 302,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,678.18 : 444,778.39 = 219,282.29 : x
  2. Step 2: Convert to fraction form
    322,678.18/444,778.39 = 219,282.29/x
  3. Step 3: Cross multiply
    322,678.18x = 444,778.39 × 219,282.29
  4. Step 4: Simplify right side
    322,678.18x = 97,532,023,619.84
  5. Step 5: Solve for x
    x = 97,532,023,619.84/322,678.18
  6. Step 6: Final answer
    x = 302,257.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.