Home / 311,962.20-467,943.30-238,234.20

Finding the Fourth Proportional to 311,962.20, 467,943.30 and 238,234.20

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Solution

The fourth proportional to 311,962.20, 467,943.30 and 238,234.20 is: 357,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,962.20 : 467,943.30 = 238,234.20 : x
  2. Step 2: Convert to fraction form
    311,962.20/467,943.30 = 238,234.20/x
  3. Step 3: Cross multiply
    311,962.20x = 467,943.30 × 238,234.20
  4. Step 4: Simplify right side
    311,962.20x = 111,480,097,720.86
  5. Step 5: Solve for x
    x = 111,480,097,720.86/311,962.20
  6. Step 6: Final answer
    x = 357,351.30

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1.5x scale

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.