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Finding the Fourth Proportional to 279,382.60, 418,920.81 and 110,732.10

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Solution

The fourth proportional to 279,382.60, 418,920.81 and 110,732.10 is: 166,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,382.60 : 418,920.81 = 110,732.10 : x
  2. Step 2: Convert to fraction form
    279,382.60/418,920.81 = 110,732.10/x
  3. Step 3: Cross multiply
    279,382.60x = 418,920.81 × 110,732.10
  4. Step 4: Simplify right side
    279,382.60x = 46,387,981,025.00
  5. Step 5: Solve for x
    x = 46,387,981,025.00/279,382.60
  6. Step 6: Final answer
    x = 166,037.47

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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.