Home / 263,015.31-394,803.77-113,329.47

Finding the Fourth Proportional to 263,015.31, 394,803.77 and 113,329.47

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Solution

The fourth proportional to 263,015.31, 394,803.77 and 113,329.47 is: 170,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,015.31 : 394,803.77 = 113,329.47 : x
  2. Step 2: Convert to fraction form
    263,015.31/394,803.77 = 113,329.47/x
  3. Step 3: Cross multiply
    263,015.31x = 394,803.77 × 113,329.47
  4. Step 4: Simplify right side
    263,015.31x = 44,742,901,441.45
  5. Step 5: Solve for x
    x = 44,742,901,441.45/263,015.31
  6. Step 6: Final answer
    x = 170,115.20

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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.