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Finding the Fourth Proportional to 197,149.92, 295,935.30 and 84,885.72

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Solution

The fourth proportional to 197,149.92, 295,935.30 and 84,885.72 is: 127,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,149.92 : 295,935.30 = 84,885.72 : x
  2. Step 2: Convert to fraction form
    197,149.92/295,935.30 = 84,885.72/x
  3. Step 3: Cross multiply
    197,149.92x = 295,935.30 × 84,885.72
  4. Step 4: Simplify right side
    197,149.92x = 25,120,681,013.92
  5. Step 5: Solve for x
    x = 25,120,681,013.92/197,149.92
  6. Step 6: Final answer
    x = 127,419.18

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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.