Home / 263,012.58-394,577.19-76,009.86

Finding the Fourth Proportional to 263,012.58, 394,577.19 and 76,009.86

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Solution

The fourth proportional to 263,012.58, 394,577.19 and 76,009.86 is: 114,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,012.58 : 394,577.19 = 76,009.86 : x
  2. Step 2: Convert to fraction form
    263,012.58/394,577.19 = 76,009.86/x
  3. Step 3: Cross multiply
    263,012.58x = 394,577.19 × 76,009.86
  4. Step 4: Simplify right side
    263,012.58x = 29,991,756,971.09
  5. Step 5: Solve for x
    x = 29,991,756,971.09/263,012.58
  6. Step 6: Final answer
    x = 114,031.64

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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.