Home / 263,020.08-394,588.44-76,017.36

Finding the Fourth Proportional to 263,020.08, 394,588.44 and 76,017.36

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Solution

The fourth proportional to 263,020.08, 394,588.44 and 76,017.36 is: 114,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,020.08 : 394,588.44 = 76,017.36 : x
  2. Step 2: Convert to fraction form
    263,020.08/394,588.44 = 76,017.36/x
  3. Step 3: Cross multiply
    263,020.08x = 394,588.44 × 76,017.36
  4. Step 4: Simplify right side
    263,020.08x = 29,995,571,495.32
  5. Step 5: Solve for x
    x = 29,995,571,495.32/263,020.08
  6. Step 6: Final answer
    x = 114,042.90

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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.