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Finding the Fourth Proportional to 300,819.27, 450,925.24 and 188,578.33

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Solution

The fourth proportional to 300,819.27, 450,925.24 and 188,578.33 is: 282,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,819.27 : 450,925.24 = 188,578.33 : x
  2. Step 2: Convert to fraction form
    300,819.27/450,925.24 = 188,578.33/x
  3. Step 3: Cross multiply
    300,819.27x = 450,925.24 × 188,578.33
  4. Step 4: Simplify right side
    300,819.27x = 85,034,728,714.05
  5. Step 5: Solve for x
    x = 85,034,728,714.05/300,819.27
  6. Step 6: Final answer
    x = 282,677.13

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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.