Home / 214,538.79-321,583.68-72,334.92

Finding the Fourth Proportional to 214,538.79, 321,583.68 and 72,334.92

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Solution

The fourth proportional to 214,538.79, 321,583.68 and 72,334.92 is: 108,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,538.79 : 321,583.68 = 72,334.92 : x
  2. Step 2: Convert to fraction form
    214,538.79/321,583.68 = 72,334.92/x
  3. Step 3: Cross multiply
    214,538.79x = 321,583.68 × 72,334.92
  4. Step 4: Simplify right side
    214,538.79x = 23,261,729,766.11
  5. Step 5: Solve for x
    x = 23,261,729,766.11/214,538.79
  6. Step 6: Final answer
    x = 108,426.68

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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.