Home / 263,634.63-395,519.37-76,646.13

Finding the Fourth Proportional to 263,634.63, 395,519.37 and 76,646.13

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Solution

The fourth proportional to 263,634.63, 395,519.37 and 76,646.13 is: 114,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.63 : 395,519.37 = 76,646.13 : x
  2. Step 2: Convert to fraction form
    263,634.63/395,519.37 = 76,646.13/x
  3. Step 3: Cross multiply
    263,634.63x = 395,519.37 × 76,646.13
  4. Step 4: Simplify right side
    263,634.63x = 30,315,029,050.54
  5. Step 5: Solve for x
    x = 30,315,029,050.54/263,634.63
  6. Step 6: Final answer
    x = 114,988.80

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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.