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Finding the Fourth Proportional to 240,505.88, 331,892.99 and 131,609.79

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Solution

The fourth proportional to 240,505.88, 331,892.99 and 131,609.79 is: 181,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,505.88 : 331,892.99 = 131,609.79 : x
  2. Step 2: Convert to fraction form
    240,505.88/331,892.99 = 131,609.79/x
  3. Step 3: Cross multiply
    240,505.88x = 331,892.99 × 131,609.79
  4. Step 4: Simplify right side
    240,505.88x = 43,680,366,716.37
  5. Step 5: Solve for x
    x = 43,680,366,716.37/240,505.88
  6. Step 6: Final answer
    x = 181,618.71

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1.5x scale

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.