Home / 214,638.18-321,884.37-74,364.06

Finding the Fourth Proportional to 214,638.18, 321,884.37 and 74,364.06

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Solution

The fourth proportional to 214,638.18, 321,884.37 and 74,364.06 is: 111,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,638.18 : 321,884.37 = 74,364.06 : x
  2. Step 2: Convert to fraction form
    214,638.18/321,884.37 = 74,364.06/x
  3. Step 3: Cross multiply
    214,638.18x = 321,884.37 × 74,364.06
  4. Step 4: Simplify right side
    214,638.18x = 23,936,628,603.74
  5. Step 5: Solve for x
    x = 23,936,628,603.74/214,638.18
  6. Step 6: Final answer
    x = 111,520.83

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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.