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Finding the Fourth Proportional to 240,495.31, 331,871.43 and 131,597.29

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Solution

The fourth proportional to 240,495.31, 331,871.43 and 131,597.29 is: 181,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,495.31 : 331,871.43 = 131,597.29 : x
  2. Step 2: Convert to fraction form
    240,495.31/331,871.43 = 131,597.29/x
  3. Step 3: Cross multiply
    240,495.31x = 331,871.43 × 131,597.29
  4. Step 4: Simplify right side
    240,495.31x = 43,673,380,816.42
  5. Step 5: Solve for x
    x = 43,673,380,816.42/240,495.31
  6. Step 6: Final answer
    x = 181,597.64

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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.