Home / 198,930.21-298,392.37-49,170.51

Finding the Fourth Proportional to 198,930.21, 298,392.37 and 49,170.51

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Solution

The fourth proportional to 198,930.21, 298,392.37 and 49,170.51 is: 73,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,930.21 : 298,392.37 = 49,170.51 : x
  2. Step 2: Convert to fraction form
    198,930.21/298,392.37 = 49,170.51/x
  3. Step 3: Cross multiply
    198,930.21x = 298,392.37 × 49,170.51
  4. Step 4: Simplify right side
    198,930.21x = 14,672,105,013.01
  5. Step 5: Solve for x
    x = 14,672,105,013.01/198,930.21
  6. Step 6: Final answer
    x = 73,755.04

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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.