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Finding the Fourth Proportional to 300,318.56, 414,259.43 and 198,344.22

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Solution

The fourth proportional to 300,318.56, 414,259.43 and 198,344.22 is: 273,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,318.56 : 414,259.43 = 198,344.22 : x
  2. Step 2: Convert to fraction form
    300,318.56/414,259.43 = 198,344.22/x
  3. Step 3: Cross multiply
    300,318.56x = 414,259.43 × 198,344.22
  4. Step 4: Simplify right side
    300,318.56x = 82,165,963,520.99
  5. Step 5: Solve for x
    x = 82,165,963,520.99/300,318.56
  6. Step 6: Final answer
    x = 273,596.02

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1.5x scale

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.