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Finding the Fourth Proportional to 378,794.49, 568,269.50 and 112,531.29

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Solution

The fourth proportional to 378,794.49, 568,269.50 and 112,531.29 is: 168,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,794.49 : 568,269.50 = 112,531.29 : x
  2. Step 2: Convert to fraction form
    378,794.49/568,269.50 = 112,531.29/x
  3. Step 3: Cross multiply
    378,794.49x = 568,269.50 × 112,531.29
  4. Step 4: Simplify right side
    378,794.49x = 63,948,099,340.00
  5. Step 5: Solve for x
    x = 63,948,099,340.00/378,794.49
  6. Step 6: Final answer
    x = 168,820.04

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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.