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Finding the Fourth Proportional to 300,184.92, 414,074.70 and 198,211.32

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Solution

The fourth proportional to 300,184.92, 414,074.70 and 198,211.32 is: 273,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,184.92 : 414,074.70 = 198,211.32 : x
  2. Step 2: Convert to fraction form
    300,184.92/414,074.70 = 198,211.32/x
  3. Step 3: Cross multiply
    300,184.92x = 414,074.70 × 198,211.32
  4. Step 4: Simplify right side
    300,184.92x = 82,074,292,865.60
  5. Step 5: Solve for x
    x = 82,074,292,865.60/300,184.92
  6. Step 6: Final answer
    x = 273,412.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.