Home / 263,975.47-395,942.54-74,428.18

Finding the Fourth Proportional to 263,975.47, 395,942.54 and 74,428.18

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Solution

The fourth proportional to 263,975.47, 395,942.54 and 74,428.18 is: 111,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,975.47 : 395,942.54 = 74,428.18 : x
  2. Step 2: Convert to fraction form
    263,975.47/395,942.54 = 74,428.18/x
  3. Step 3: Cross multiply
    263,975.47x = 395,942.54 × 74,428.18
  4. Step 4: Simplify right side
    263,975.47x = 29,469,280,284.92
  5. Step 5: Solve for x
    x = 29,469,280,284.92/263,975.47
  6. Step 6: Final answer
    x = 111,636.44

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1.5x scale

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.