Home / 311,942.10-467,999.55-206,966.10

Finding the Fourth Proportional to 311,942.10, 467,999.55 and 206,966.10

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Solution

The fourth proportional to 311,942.10, 467,999.55 and 206,966.10 is: 310,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,942.10 : 467,999.55 = 206,966.10 : x
  2. Step 2: Convert to fraction form
    311,942.10/467,999.55 = 206,966.10/x
  3. Step 3: Cross multiply
    311,942.10x = 467,999.55 × 206,966.10
  4. Step 4: Simplify right side
    311,942.10x = 96,860,041,665.26
  5. Step 5: Solve for x
    x = 96,860,041,665.26/311,942.10
  6. Step 6: Final answer
    x = 310,506.47

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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.