Home / 263,613.96-395,431.88-76,625.46

Finding the Fourth Proportional to 263,613.96, 395,431.88 and 76,625.46

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Solution

The fourth proportional to 263,613.96, 395,431.88 and 76,625.46 is: 114,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,613.96 : 395,431.88 = 76,625.46 : x
  2. Step 2: Convert to fraction form
    263,613.96/395,431.88 = 76,625.46/x
  3. Step 3: Cross multiply
    263,613.96x = 395,431.88 × 76,625.46
  4. Step 4: Simplify right side
    263,613.96x = 30,300,149,320.54
  5. Step 5: Solve for x
    x = 30,300,149,320.54/263,613.96
  6. Step 6: Final answer
    x = 114,941.37

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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.