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Finding the Fourth Proportional to 171,034.92, 256,544.28 and 114,898.68

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Solution

The fourth proportional to 171,034.92, 256,544.28 and 114,898.68 is: 172,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,034.92 : 256,544.28 = 114,898.68 : x
  2. Step 2: Convert to fraction form
    171,034.92/256,544.28 = 114,898.68/x
  3. Step 3: Cross multiply
    171,034.92x = 256,544.28 × 114,898.68
  4. Step 4: Simplify right side
    171,034.92x = 29,476,599,133.55
  5. Step 5: Solve for x
    x = 29,476,599,133.55/171,034.92
  6. Step 6: Final answer
    x = 172,342.58

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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.