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Finding the Fourth Proportional to 171,732.62, 257,273.79 and 114,634.36

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Solution

The fourth proportional to 171,732.62, 257,273.79 and 114,634.36 is: 171,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,732.62 : 257,273.79 = 114,634.36 : x
  2. Step 2: Convert to fraction form
    171,732.62/257,273.79 = 114,634.36/x
  3. Step 3: Cross multiply
    171,732.62x = 257,273.79 × 114,634.36
  4. Step 4: Simplify right side
    171,732.62x = 29,492,414,705.97
  5. Step 5: Solve for x
    x = 29,492,414,705.97/171,732.62
  6. Step 6: Final answer
    x = 171,734.49

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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.