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Finding the Fourth Proportional to 202,052.43, 303,067.66 and 61,811.05

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Solution

The fourth proportional to 202,052.43, 303,067.66 and 61,811.05 is: 92,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,052.43 : 303,067.66 = 61,811.05 : x
  2. Step 2: Convert to fraction form
    202,052.43/303,067.66 = 61,811.05/x
  3. Step 3: Cross multiply
    202,052.43x = 303,067.66 × 61,811.05
  4. Step 4: Simplify right side
    202,052.43x = 18,732,930,285.64
  5. Step 5: Solve for x
    x = 18,732,930,285.64/202,052.43
  6. Step 6: Final answer
    x = 92,713.21

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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.