Home / 454,733.28-681,892.56-218,187.36

Finding the Fourth Proportional to 454,733.28, 681,892.56 and 218,187.36

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Solution

The fourth proportional to 454,733.28, 681,892.56 and 218,187.36 is: 327,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,733.28 : 681,892.56 = 218,187.36 : x
  2. Step 2: Convert to fraction form
    454,733.28/681,892.56 = 218,187.36/x
  3. Step 3: Cross multiply
    454,733.28x = 681,892.56 × 218,187.36
  4. Step 4: Simplify right side
    454,733.28x = 148,780,337,470.04
  5. Step 5: Solve for x
    x = 148,780,337,470.04/454,733.28
  6. Step 6: Final answer
    x = 327,181.55

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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.