Home / 214,477.75-321,738.50-74,235.97

Finding the Fourth Proportional to 214,477.75, 321,738.50 and 74,235.97

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Solution

The fourth proportional to 214,477.75, 321,738.50 and 74,235.97 is: 111,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,477.75 : 321,738.50 = 74,235.97 : x
  2. Step 2: Convert to fraction form
    214,477.75/321,738.50 = 74,235.97/x
  3. Step 3: Cross multiply
    214,477.75x = 321,738.50 × 74,235.97
  4. Step 4: Simplify right side
    214,477.75x = 23,884,569,633.85
  5. Step 5: Solve for x
    x = 23,884,569,633.85/214,477.75
  6. Step 6: Final answer
    x = 111,361.53

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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.