Home / 454,742.28-681,906.06-218,196.36

Finding the Fourth Proportional to 454,742.28, 681,906.06 and 218,196.36

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Solution

The fourth proportional to 454,742.28, 681,906.06 and 218,196.36 is: 327,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,742.28 : 681,906.06 = 218,196.36 : x
  2. Step 2: Convert to fraction form
    454,742.28/681,906.06 = 218,196.36/x
  3. Step 3: Cross multiply
    454,742.28x = 681,906.06 × 218,196.36
  4. Step 4: Simplify right side
    454,742.28x = 148,789,420,153.94
  5. Step 5: Solve for x
    x = 148,789,420,153.94/454,742.28
  6. Step 6: Final answer
    x = 327,195.04

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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.