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Finding the Fourth Proportional to 197,862, 273,066.84 and 108,455.28

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Solution

The fourth proportional to 197,862, 273,066.84 and 108,455.28 is: 149,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,862 : 273,066.84 = 108,455.28 : x
  2. Step 2: Convert to fraction form
    197,862/273,066.84 = 108,455.28/x
  3. Step 3: Cross multiply
    197,862x = 273,066.84 × 108,455.28
  4. Step 4: Simplify right side
    197,862x = 29,615,540,590.92
  5. Step 5: Solve for x
    x = 29,615,540,590.92/197,862
  6. Step 6: Final answer
    x = 149,677.76

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Why These Related Problems?

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