Home / 214,645.38-321,964.29-74,401.98

Finding the Fourth Proportional to 214,645.38, 321,964.29 and 74,401.98

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Solution

The fourth proportional to 214,645.38, 321,964.29 and 74,401.98 is: 111,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,645.38 : 321,964.29 = 74,401.98 : x
  2. Step 2: Convert to fraction form
    214,645.38/321,964.29 = 74,401.98/x
  3. Step 3: Cross multiply
    214,645.38x = 321,964.29 × 74,401.98
  4. Step 4: Simplify right side
    214,645.38x = 23,954,780,665.29
  5. Step 5: Solve for x
    x = 23,954,780,665.29/214,645.38
  6. Step 6: Final answer
    x = 111,601.66

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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.