Home / 323,919.11-447,028.40-178,724.18

Finding the Fourth Proportional to 323,919.11, 447,028.40 and 178,724.18

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Solution

The fourth proportional to 323,919.11, 447,028.40 and 178,724.18 is: 246,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,919.11 : 447,028.40 = 178,724.18 : x
  2. Step 2: Convert to fraction form
    323,919.11/447,028.40 = 178,724.18/x
  3. Step 3: Cross multiply
    323,919.11x = 447,028.40 × 178,724.18
  4. Step 4: Simplify right side
    323,919.11x = 79,894,784,226.71
  5. Step 5: Solve for x
    x = 79,894,784,226.71/323,919.11
  6. Step 6: Final answer
    x = 246,650.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.