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Finding the Fourth Proportional to 170,858.60, 256,286.55 and 44,498.60

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Solution

The fourth proportional to 170,858.60, 256,286.55 and 44,498.60 is: 66,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.60 : 256,286.55 = 44,498.60 : x
  2. Step 2: Convert to fraction form
    170,858.60/256,286.55 = 44,498.60/x
  3. Step 3: Cross multiply
    170,858.60x = 256,286.55 × 44,498.60
  4. Step 4: Simplify right side
    170,858.60x = 11,404,392,673.83
  5. Step 5: Solve for x
    x = 11,404,392,673.83/170,858.60
  6. Step 6: Final answer
    x = 66,747.55

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1.5x scale

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.