Home / 263,619.48-395,429.70-76,632.60

Finding the Fourth Proportional to 263,619.48, 395,429.70 and 76,632.60

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Solution

The fourth proportional to 263,619.48, 395,429.70 and 76,632.60 is: 114,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,619.48 : 395,429.70 = 76,632.60 : x
  2. Step 2: Convert to fraction form
    263,619.48/395,429.70 = 76,632.60/x
  3. Step 3: Cross multiply
    263,619.48x = 395,429.70 × 76,632.60
  4. Step 4: Simplify right side
    263,619.48x = 30,302,806,028.22
  5. Step 5: Solve for x
    x = 30,302,806,028.22/263,619.48
  6. Step 6: Final answer
    x = 114,949.04

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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.