Home / 311,550.16-467,014.68-131,680.96

Finding the Fourth Proportional to 311,550.16, 467,014.68 and 131,680.96

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Solution

The fourth proportional to 311,550.16, 467,014.68 and 131,680.96 is: 197,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,550.16 : 467,014.68 = 131,680.96 : x
  2. Step 2: Convert to fraction form
    311,550.16/467,014.68 = 131,680.96/x
  3. Step 3: Cross multiply
    311,550.16x = 467,014.68 × 131,680.96
  4. Step 4: Simplify right side
    311,550.16x = 61,496,941,396.49
  5. Step 5: Solve for x
    x = 61,496,941,396.49/311,550.16
  6. Step 6: Final answer
    x = 197,390.18

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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.