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Finding the Fourth Proportional to 240,273, 331,601.18 and 138,302.73

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Solution

The fourth proportional to 240,273, 331,601.18 and 138,302.73 is: 190,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,273 : 331,601.18 = 138,302.73 : x
  2. Step 2: Convert to fraction form
    240,273/331,601.18 = 138,302.73/x
  3. Step 3: Cross multiply
    240,273x = 331,601.18 × 138,302.73
  4. Step 4: Simplify right side
    240,273x = 45,861,348,465.22
  5. Step 5: Solve for x
    x = 45,861,348,465.22/240,273
  6. Step 6: Final answer
    x = 190,871.84

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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.