Home / 321,268.84-443,353.62-178,031.27

Finding the Fourth Proportional to 321,268.84, 443,353.62 and 178,031.27

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Solution

The fourth proportional to 321,268.84, 443,353.62 and 178,031.27 is: 245,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,268.84 : 443,353.62 = 178,031.27 : x
  2. Step 2: Convert to fraction form
    321,268.84/443,353.62 = 178,031.27/x
  3. Step 3: Cross multiply
    321,268.84x = 443,353.62 × 178,031.27
  4. Step 4: Simplify right side
    321,268.84x = 78,930,810,135.35
  5. Step 5: Solve for x
    x = 78,930,810,135.35/321,268.84
  6. Step 6: Final answer
    x = 245,684.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.