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Finding the Fourth Proportional to 170,177.94, 255,304.98 and 51,858.54

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Solution

The fourth proportional to 170,177.94, 255,304.98 and 51,858.54 is: 77,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,177.94 : 255,304.98 = 51,858.54 : x
  2. Step 2: Convert to fraction form
    170,177.94/255,304.98 = 51,858.54/x
  3. Step 3: Cross multiply
    170,177.94x = 255,304.98 × 51,858.54
  4. Step 4: Simplify right side
    170,177.94x = 13,239,743,517.53
  5. Step 5: Solve for x
    x = 13,239,743,517.53/170,177.94
  6. Step 6: Final answer
    x = 77,799.41

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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.