Home / 220,268.82-330,427.17-70,473.90

Finding the Fourth Proportional to 220,268.82, 330,427.17 and 70,473.90

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Solution

The fourth proportional to 220,268.82, 330,427.17 and 70,473.90 is: 105,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,268.82 : 330,427.17 = 70,473.90 : x
  2. Step 2: Convert to fraction form
    220,268.82/330,427.17 = 70,473.90/x
  3. Step 3: Cross multiply
    220,268.82x = 330,427.17 × 70,473.90
  4. Step 4: Simplify right side
    220,268.82x = 23,286,491,335.86
  5. Step 5: Solve for x
    x = 23,286,491,335.86/220,268.82
  6. Step 6: Final answer
    x = 105,718.51

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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.