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Finding the Fourth Proportional to 244,589.88, 366,766.30 and 143,415.60

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Solution

The fourth proportional to 244,589.88, 366,766.30 and 143,415.60 is: 215,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,589.88 : 366,766.30 = 143,415.60 : x
  2. Step 2: Convert to fraction form
    244,589.88/366,766.30 = 143,415.60/x
  3. Step 3: Cross multiply
    244,589.88x = 366,766.30 × 143,415.60
  4. Step 4: Simplify right side
    244,589.88x = 52,600,008,974.28
  5. Step 5: Solve for x
    x = 52,600,008,974.28/244,589.88
  6. Step 6: Final answer
    x = 215,053.91

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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.