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Finding the Fourth Proportional to 299,767.30, 449,962.39 and 200,620.33

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Solution

The fourth proportional to 299,767.30, 449,962.39 and 200,620.33 is: 301,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,767.30 : 449,962.39 = 200,620.33 : x
  2. Step 2: Convert to fraction form
    299,767.30/449,962.39 = 200,620.33/x
  3. Step 3: Cross multiply
    299,767.30x = 449,962.39 × 200,620.33
  4. Step 4: Simplify right side
    299,767.30x = 90,271,602,295.26
  5. Step 5: Solve for x
    x = 90,271,602,295.26/299,767.30
  6. Step 6: Final answer
    x = 301,138.93

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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.