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Finding the Fourth Proportional to 198,528.28, 297,799.42 and 63,596.46

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Solution

The fourth proportional to 198,528.28, 297,799.42 and 63,596.46 is: 95,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528.28 : 297,799.42 = 63,596.46 : x
  2. Step 2: Convert to fraction form
    198,528.28/297,799.42 = 63,596.46/x
  3. Step 3: Cross multiply
    198,528.28x = 297,799.42 × 63,596.46
  4. Step 4: Simplify right side
    198,528.28x = 18,938,988,902.05
  5. Step 5: Solve for x
    x = 18,938,988,902.05/198,528.28
  6. Step 6: Final answer
    x = 95,396.93

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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.