Home / 214,281.18-321,481.96-79,343.22

Finding the Fourth Proportional to 214,281.18, 321,481.96 and 79,343.22

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Solution

The fourth proportional to 214,281.18, 321,481.96 and 79,343.22 is: 119,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,281.18 : 321,481.96 = 79,343.22 : x
  2. Step 2: Convert to fraction form
    214,281.18/321,481.96 = 79,343.22/x
  3. Step 3: Cross multiply
    214,281.18x = 321,481.96 × 79,343.22
  4. Step 4: Simplify right side
    214,281.18x = 25,507,413,878.31
  5. Step 5: Solve for x
    x = 25,507,413,878.31/214,281.18
  6. Step 6: Final answer
    x = 119,037.12

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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.