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Finding the Fourth Proportional to 240,359.88, 331,659.76 and 138,365.62

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Solution

The fourth proportional to 240,359.88, 331,659.76 and 138,365.62 is: 190,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,359.88 : 331,659.76 = 138,365.62 : x
  2. Step 2: Convert to fraction form
    240,359.88/331,659.76 = 138,365.62/x
  3. Step 3: Cross multiply
    240,359.88x = 331,659.76 × 138,365.62
  4. Step 4: Simplify right side
    240,359.88x = 45,890,308,321.45
  5. Step 5: Solve for x
    x = 45,890,308,321.45/240,359.88
  6. Step 6: Final answer
    x = 190,923.33

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