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Finding the Fourth Proportional to 201,330.56, 301,863 and 112,593.44

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Solution

The fourth proportional to 201,330.56, 301,863 and 112,593.44 is: 168,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,330.56 : 301,863 = 112,593.44 : x
  2. Step 2: Convert to fraction form
    201,330.56/301,863 = 112,593.44/x
  3. Step 3: Cross multiply
    201,330.56x = 301,863 × 112,593.44
  4. Step 4: Simplify right side
    201,330.56x = 33,987,793,578.72
  5. Step 5: Solve for x
    x = 33,987,793,578.72/201,330.56
  6. Step 6: Final answer
    x = 168,815.87

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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.