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Finding the Fourth Proportional to 159,241.51, 238,893.59 and 52,621.17

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Solution

The fourth proportional to 159,241.51, 238,893.59 and 52,621.17 is: 78,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241.51 : 238,893.59 = 52,621.17 : x
  2. Step 2: Convert to fraction form
    159,241.51/238,893.59 = 52,621.17/x
  3. Step 3: Cross multiply
    159,241.51x = 238,893.59 × 52,621.17
  4. Step 4: Simplify right side
    159,241.51x = 12,570,858,753.73
  5. Step 5: Solve for x
    x = 12,570,858,753.73/159,241.51
  6. Step 6: Final answer
    x = 78,942.10

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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.