Home / 245,719.78-368,579.81-68,226.80

Finding the Fourth Proportional to 245,719.78, 368,579.81 and 68,226.80

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Solution

The fourth proportional to 245,719.78, 368,579.81 and 68,226.80 is: 102,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,719.78 : 368,579.81 = 68,226.80 : x
  2. Step 2: Convert to fraction form
    245,719.78/368,579.81 = 68,226.80/x
  3. Step 3: Cross multiply
    245,719.78x = 368,579.81 × 68,226.80
  4. Step 4: Simplify right side
    245,719.78x = 25,147,019,308.58
  5. Step 5: Solve for x
    x = 25,147,019,308.58/245,719.78
  6. Step 6: Final answer
    x = 102,340.23

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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.