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Finding the Fourth Proportional to 379,495.24, 568,061.88 and 238,958.62

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Solution

The fourth proportional to 379,495.24, 568,061.88 and 238,958.62 is: 357,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,495.24 : 568,061.88 = 238,958.62 : x
  2. Step 2: Convert to fraction form
    379,495.24/568,061.88 = 238,958.62/x
  3. Step 3: Cross multiply
    379,495.24x = 568,061.88 × 238,958.62
  4. Step 4: Simplify right side
    379,495.24x = 135,743,282,919.41
  5. Step 5: Solve for x
    x = 135,743,282,919.41/379,495.24
  6. Step 6: Final answer
    x = 357,694.30

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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.