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Finding the Fourth Proportional to 443,242.38, 664,863.58 and 110,818.38

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Solution

The fourth proportional to 443,242.38, 664,863.58 and 110,818.38 is: 166,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,242.38 : 664,863.58 = 110,818.38 : x
  2. Step 2: Convert to fraction form
    443,242.38/664,863.58 = 110,818.38/x
  3. Step 3: Cross multiply
    443,242.38x = 664,863.58 × 110,818.38
  4. Step 4: Simplify right side
    443,242.38x = 73,679,101,255.24
  5. Step 5: Solve for x
    x = 73,679,101,255.24/443,242.38
  6. Step 6: Final answer
    x = 166,227.57

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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.