Home / 227,287.62-313,651.98-131,803.20

Finding the Fourth Proportional to 227,287.62, 313,651.98 and 131,803.20

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Solution

The fourth proportional to 227,287.62, 313,651.98 and 131,803.20 is: 181,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,287.62 : 313,651.98 = 131,803.20 : x
  2. Step 2: Convert to fraction form
    227,287.62/313,651.98 = 131,803.20/x
  3. Step 3: Cross multiply
    227,287.62x = 313,651.98 × 131,803.20
  4. Step 4: Simplify right side
    227,287.62x = 41,340,334,650.34
  5. Step 5: Solve for x
    x = 41,340,334,650.34/227,287.62
  6. Step 6: Final answer
    x = 181,885.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.