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Finding the Fourth Proportional to 321,662.03, 443,885.03 and 185,691.38

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Solution

The fourth proportional to 321,662.03, 443,885.03 and 185,691.38 is: 256,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,662.03 : 443,885.03 = 185,691.38 : x
  2. Step 2: Convert to fraction form
    321,662.03/443,885.03 = 185,691.38/x
  3. Step 3: Cross multiply
    321,662.03x = 443,885.03 × 185,691.38
  4. Step 4: Simplify right side
    321,662.03x = 82,425,621,330.50
  5. Step 5: Solve for x
    x = 82,425,621,330.50/321,662.03
  6. Step 6: Final answer
    x = 256,249.15

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1.5x scale

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.