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Finding the Fourth Proportional to 197,938, 297,066.30 and 112,601.26

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Solution

The fourth proportional to 197,938, 297,066.30 and 112,601.26 is: 168,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,938 : 297,066.30 = 112,601.26 : x
  2. Step 2: Convert to fraction form
    197,938/297,066.30 = 112,601.26/x
  3. Step 3: Cross multiply
    197,938x = 297,066.30 × 112,601.26
  4. Step 4: Simplify right side
    197,938x = 33,450,039,683.54
  5. Step 5: Solve for x
    x = 33,450,039,683.54/197,938
  6. Step 6: Final answer
    x = 168,992.51

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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.