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Finding the Fourth Proportional to 195,321.60, 293,565.60 and 169,660.80

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Solution

The fourth proportional to 195,321.60, 293,565.60 and 169,660.80 is: 254,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,321.60 : 293,565.60 = 169,660.80 : x
  2. Step 2: Convert to fraction form
    195,321.60/293,565.60 = 169,660.80/x
  3. Step 3: Cross multiply
    195,321.60x = 293,565.60 × 169,660.80
  4. Step 4: Simplify right side
    195,321.60x = 49,806,574,548.48
  5. Step 5: Solve for x
    x = 49,806,574,548.48/195,321.60
  6. Step 6: Final answer
    x = 254,997.78

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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.