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Finding the Fourth Proportional to 255,954.60, 384,104.70 and 166,991.40

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Solution

The fourth proportional to 255,954.60, 384,104.70 and 166,991.40 is: 250,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,954.60 : 384,104.70 = 166,991.40 : x
  2. Step 2: Convert to fraction form
    255,954.60/384,104.70 = 166,991.40/x
  3. Step 3: Cross multiply
    255,954.60x = 384,104.70 × 166,991.40
  4. Step 4: Simplify right side
    255,954.60x = 64,142,181,599.58
  5. Step 5: Solve for x
    x = 64,142,181,599.58/255,954.60
  6. Step 6: Final answer
    x = 250,599.84

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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.