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Finding the Fourth Proportional to 300,196.66, 449,849.38 and 166,893.54

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Solution

The fourth proportional to 300,196.66, 449,849.38 and 166,893.54 is: 250,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,196.66 : 449,849.38 = 166,893.54 : x
  2. Step 2: Convert to fraction form
    300,196.66/449,849.38 = 166,893.54/x
  3. Step 3: Cross multiply
    300,196.66x = 449,849.38 × 166,893.54
  4. Step 4: Simplify right side
    300,196.66x = 75,076,952,411.29
  5. Step 5: Solve for x
    x = 75,076,952,411.29/300,196.66
  6. Step 6: Final answer
    x = 250,092.57

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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.