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Finding the Fourth Proportional to 240,504.88, 331,891.61 and 131,608.79

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Solution

The fourth proportional to 240,504.88, 331,891.61 and 131,608.79 is: 181,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,504.88 : 331,891.61 = 131,608.79 : x
  2. Step 2: Convert to fraction form
    240,504.88/331,891.61 = 131,608.79/x
  3. Step 3: Cross multiply
    240,504.88x = 331,891.61 × 131,608.79
  4. Step 4: Simplify right side
    240,504.88x = 43,679,851,872.82
  5. Step 5: Solve for x
    x = 43,679,851,872.82/240,504.88
  6. Step 6: Final answer
    x = 181,617.32

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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.