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Finding the Fourth Proportional to 171,310.52, 256,965.78 and 58,993.50

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Solution

The fourth proportional to 171,310.52, 256,965.78 and 58,993.50 is: 88,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,310.52 : 256,965.78 = 58,993.50 : x
  2. Step 2: Convert to fraction form
    171,310.52/256,965.78 = 58,993.50/x
  3. Step 3: Cross multiply
    171,310.52x = 256,965.78 × 58,993.50
  4. Step 4: Simplify right side
    171,310.52x = 15,159,310,742.43
  5. Step 5: Solve for x
    x = 15,159,310,742.43/171,310.52
  6. Step 6: Final answer
    x = 88,490.25

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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.