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Finding the Fourth Proportional to 195,383.60, 293,723.40 and 169,722.80

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Solution

The fourth proportional to 195,383.60, 293,723.40 and 169,722.80 is: 255,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,383.60 : 293,723.40 = 169,722.80 : x
  2. Step 2: Convert to fraction form
    195,383.60/293,723.40 = 169,722.80/x
  3. Step 3: Cross multiply
    195,383.60x = 293,723.40 × 169,722.80
  4. Step 4: Simplify right side
    195,383.60x = 49,851,557,873.52
  5. Step 5: Solve for x
    x = 49,851,557,873.52/195,383.60
  6. Step 6: Final answer
    x = 255,147.09

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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.