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Finding the Fourth Proportional to 198,797.05, 298,093.43 and 58,537.45

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Solution

The fourth proportional to 198,797.05, 298,093.43 and 58,537.45 is: 87,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,797.05 : 298,093.43 = 58,537.45 : x
  2. Step 2: Convert to fraction form
    198,797.05/298,093.43 = 58,537.45/x
  3. Step 3: Cross multiply
    198,797.05x = 298,093.43 × 58,537.45
  4. Step 4: Simplify right side
    198,797.05x = 17,449,628,961.27
  5. Step 5: Solve for x
    x = 17,449,628,961.27/198,797.05
  6. Step 6: Final answer
    x = 87,776.10

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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.