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Finding the Fourth Proportional to 490,099.35, 734,863.61 and 190,229.62

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Solution

The fourth proportional to 490,099.35, 734,863.61 and 190,229.62 is: 285,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,099.35 : 734,863.61 = 190,229.62 : x
  2. Step 2: Convert to fraction form
    490,099.35/734,863.61 = 190,229.62/x
  3. Step 3: Cross multiply
    490,099.35x = 734,863.61 × 190,229.62
  4. Step 4: Simplify right side
    490,099.35x = 139,792,822,821.19
  5. Step 5: Solve for x
    x = 139,792,822,821.19/490,099.35
  6. Step 6: Final answer
    x = 285,233.64

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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.