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Finding the Fourth Proportional to 244,581.80, 366,435.30 and 209,589.80

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Solution

The fourth proportional to 244,581.80, 366,435.30 and 209,589.80 is: 314,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,581.80 : 366,435.30 = 209,589.80 : x
  2. Step 2: Convert to fraction form
    244,581.80/366,435.30 = 209,589.80/x
  3. Step 3: Cross multiply
    244,581.80x = 366,435.30 × 209,589.80
  4. Step 4: Simplify right side
    244,581.80x = 76,801,101,239.94
  5. Step 5: Solve for x
    x = 76,801,101,239.94/244,581.80
  6. Step 6: Final answer
    x = 314,009.88

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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.