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Finding the Fourth Proportional to 247,170.88, 370,469.84 and 113,771.04

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Solution

The fourth proportional to 247,170.88, 370,469.84 and 113,771.04 is: 170,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,170.88 : 370,469.84 = 113,771.04 : x
  2. Step 2: Convert to fraction form
    247,170.88/370,469.84 = 113,771.04/x
  3. Step 3: Cross multiply
    247,170.88x = 370,469.84 × 113,771.04
  4. Step 4: Simplify right side
    247,170.88x = 42,148,738,985.43
  5. Step 5: Solve for x
    x = 42,148,738,985.43/247,170.88
  6. Step 6: Final answer
    x = 170,524.70

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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.