Home / 321,324.85-443,428.34-178,094.14

Finding the Fourth Proportional to 321,324.85, 443,428.34 and 178,094.14

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Solution

The fourth proportional to 321,324.85, 443,428.34 and 178,094.14 is: 245,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,324.85 : 443,428.34 = 178,094.14 : x
  2. Step 2: Convert to fraction form
    321,324.85/443,428.34 = 178,094.14/x
  3. Step 3: Cross multiply
    321,324.85x = 443,428.34 × 178,094.14
  4. Step 4: Simplify right side
    321,324.85x = 78,971,988,863.93
  5. Step 5: Solve for x
    x = 78,971,988,863.93/321,324.85
  6. Step 6: Final answer
    x = 245,769.94

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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.