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Finding the Fourth Proportional to 273,019.20, 409,528.80 and 244,150.80

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Solution

The fourth proportional to 273,019.20, 409,528.80 and 244,150.80 is: 366,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,019.20 : 409,528.80 = 244,150.80 : x
  2. Step 2: Convert to fraction form
    273,019.20/409,528.80 = 244,150.80/x
  3. Step 3: Cross multiply
    273,019.20x = 409,528.80 × 244,150.80
  4. Step 4: Simplify right side
    273,019.20x = 99,986,784,143.04
  5. Step 5: Solve for x
    x = 99,986,784,143.04/273,019.20
  6. Step 6: Final answer
    x = 366,226.20

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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.