Home / 321,269.59-443,354.66-178,032.03

Finding the Fourth Proportional to 321,269.59, 443,354.66 and 178,032.03

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Solution

The fourth proportional to 321,269.59, 443,354.66 and 178,032.03 is: 245,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,269.59 : 443,354.66 = 178,032.03 : x
  2. Step 2: Convert to fraction form
    321,269.59/443,354.66 = 178,032.03/x
  3. Step 3: Cross multiply
    321,269.59x = 443,354.66 × 178,032.03
  4. Step 4: Simplify right side
    321,269.59x = 78,931,327,912.99
  5. Step 5: Solve for x
    x = 78,931,327,912.99/321,269.59
  6. Step 6: Final answer
    x = 245,685.65

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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.