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Finding the Fourth Proportional to 198,697.32, 274,063.50 and 134,924.40

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Solution

The fourth proportional to 198,697.32, 274,063.50 and 134,924.40 is: 186,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,697.32 : 274,063.50 = 134,924.40 : x
  2. Step 2: Convert to fraction form
    198,697.32/274,063.50 = 134,924.40/x
  3. Step 3: Cross multiply
    198,697.32x = 274,063.50 × 134,924.40
  4. Step 4: Simplify right side
    198,697.32x = 36,977,853,299.40
  5. Step 5: Solve for x
    x = 36,977,853,299.40/198,697.32
  6. Step 6: Final answer
    x = 186,101.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.