Home / 286,012.48-394,754.66-165,173.44

Finding the Fourth Proportional to 286,012.48, 394,754.66 and 165,173.44

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Solution

The fourth proportional to 286,012.48, 394,754.66 and 165,173.44 is: 227,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,012.48 : 394,754.66 = 165,173.44 : x
  2. Step 2: Convert to fraction form
    286,012.48/394,754.66 = 165,173.44/x
  3. Step 3: Cross multiply
    286,012.48x = 394,754.66 × 165,173.44
  4. Step 4: Simplify right side
    286,012.48x = 65,202,985,148.23
  5. Step 5: Solve for x
    x = 65,202,985,148.23/286,012.48
  6. Step 6: Final answer
    x = 227,972.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.