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Finding the Fourth Proportional to 273,191.33, 409,836.31 and 123,502.12

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Solution

The fourth proportional to 273,191.33, 409,836.31 and 123,502.12 is: 185,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,191.33 : 409,836.31 = 123,502.12 : x
  2. Step 2: Convert to fraction form
    273,191.33/409,836.31 = 123,502.12/x
  3. Step 3: Cross multiply
    273,191.33x = 409,836.31 × 123,502.12
  4. Step 4: Simplify right side
    273,191.33x = 50,615,651,804.63
  5. Step 5: Solve for x
    x = 50,615,651,804.63/273,191.33
  6. Step 6: Final answer
    x = 185,275.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.