Home / 327,083.68-490,634.75-90,426.34

Finding the Fourth Proportional to 327,083.68, 490,634.75 and 90,426.34

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Solution

The fourth proportional to 327,083.68, 490,634.75 and 90,426.34 is: 135,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,083.68 : 490,634.75 = 90,426.34 : x
  2. Step 2: Convert to fraction form
    327,083.68/490,634.75 = 90,426.34/x
  3. Step 3: Cross multiply
    327,083.68x = 490,634.75 × 90,426.34
  4. Step 4: Simplify right side
    327,083.68x = 44,366,304,719.32
  5. Step 5: Solve for x
    x = 44,366,304,719.32/327,083.68
  6. Step 6: Final answer
    x = 135,642.06

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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.