Home / 443,234.34-664,391.70-206,382.24

Finding the Fourth Proportional to 443,234.34, 664,391.70 and 206,382.24

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Solution

The fourth proportional to 443,234.34, 664,391.70 and 206,382.24 is: 309,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234.34 : 664,391.70 = 206,382.24 : x
  2. Step 2: Convert to fraction form
    443,234.34/664,391.70 = 206,382.24/x
  3. Step 3: Cross multiply
    443,234.34x = 664,391.70 × 206,382.24
  4. Step 4: Simplify right side
    443,234.34x = 137,118,647,283.41
  5. Step 5: Solve for x
    x = 137,118,647,283.41/443,234.34
  6. Step 6: Final answer
    x = 309,359.26

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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.