Home / 263,008.08-394,570.44-76,005.36

Finding the Fourth Proportional to 263,008.08, 394,570.44 and 76,005.36

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Solution

The fourth proportional to 263,008.08, 394,570.44 and 76,005.36 is: 114,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,008.08 : 394,570.44 = 76,005.36 : x
  2. Step 2: Convert to fraction form
    263,008.08/394,570.44 = 76,005.36/x
  3. Step 3: Cross multiply
    263,008.08x = 394,570.44 × 76,005.36
  4. Step 4: Simplify right side
    263,008.08x = 29,989,468,337.56
  5. Step 5: Solve for x
    x = 29,989,468,337.56/263,008.08
  6. Step 6: Final answer
    x = 114,024.89

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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.