Home / 397,072.20-595,608.30-229,110.60

Finding the Fourth Proportional to 397,072.20, 595,608.30 and 229,110.60

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Solution

The fourth proportional to 397,072.20, 595,608.30 and 229,110.60 is: 343,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,072.20 : 595,608.30 = 229,110.60 : x
  2. Step 2: Convert to fraction form
    397,072.20/595,608.30 = 229,110.60/x
  3. Step 3: Cross multiply
    397,072.20x = 595,608.30 × 229,110.60
  4. Step 4: Simplify right side
    397,072.20x = 136,460,174,977.98
  5. Step 5: Solve for x
    x = 136,460,174,977.98/397,072.20
  6. Step 6: Final answer
    x = 343,665.90

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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.