Home / 214,335.22-321,499.59-89,676.22

Finding the Fourth Proportional to 214,335.22, 321,499.59 and 89,676.22

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Solution

The fourth proportional to 214,335.22, 321,499.59 and 89,676.22 is: 134,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,335.22 : 321,499.59 = 89,676.22 : x
  2. Step 2: Convert to fraction form
    214,335.22/321,499.59 = 89,676.22/x
  3. Step 3: Cross multiply
    214,335.22x = 321,499.59 × 89,676.22
  4. Step 4: Simplify right side
    214,335.22x = 28,830,867,962.75
  5. Step 5: Solve for x
    x = 28,830,867,962.75/214,335.22
  6. Step 6: Final answer
    x = 134,512.97

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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.