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Finding the Fourth Proportional to 339,376.80, 509,175.92 and 161,860.74

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Solution

The fourth proportional to 339,376.80, 509,175.92 and 161,860.74 is: 242,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,376.80 : 509,175.92 = 161,860.74 : x
  2. Step 2: Convert to fraction form
    339,376.80/509,175.92 = 161,860.74/x
  3. Step 3: Cross multiply
    339,376.80x = 509,175.92 × 161,860.74
  4. Step 4: Simplify right side
    339,376.80x = 82,415,591,201.38
  5. Step 5: Solve for x
    x = 82,415,591,201.38/339,376.80
  6. Step 6: Final answer
    x = 242,843.92

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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.