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Finding the Fourth Proportional to 44,778.88, 67,169.94 and 15,199.84

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Solution

The fourth proportional to 44,778.88, 67,169.94 and 15,199.84 is: 22,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,778.88 : 67,169.94 = 15,199.84 : x
  2. Step 2: Convert to fraction form
    44,778.88/67,169.94 = 15,199.84/x
  3. Step 3: Cross multiply
    44,778.88x = 67,169.94 × 15,199.84
  4. Step 4: Simplify right side
    44,778.88x = 1,020,972,340.81
  5. Step 5: Solve for x
    x = 1,020,972,340.81/44,778.88
  6. Step 6: Final answer
    x = 22,800.31

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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.