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Finding the Fourth Proportional to 300,004.60, 449,942.10 and 131,524.60

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Solution

The fourth proportional to 300,004.60, 449,942.10 and 131,524.60 is: 197,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,004.60 : 449,942.10 = 131,524.60 : x
  2. Step 2: Convert to fraction form
    300,004.60/449,942.10 = 131,524.60/x
  3. Step 3: Cross multiply
    300,004.60x = 449,942.10 × 131,524.60
  4. Step 4: Simplify right side
    300,004.60x = 59,178,454,725.66
  5. Step 5: Solve for x
    x = 59,178,454,725.66/300,004.60
  6. Step 6: Final answer
    x = 197,258.49

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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.