Home / 286,014.46-394,757.40-165,175.42

Finding the Fourth Proportional to 286,014.46, 394,757.40 and 165,175.42

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Solution

The fourth proportional to 286,014.46, 394,757.40 and 165,175.42 is: 227,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,014.46 : 394,757.40 = 165,175.42 : x
  2. Step 2: Convert to fraction form
    286,014.46/394,757.40 = 165,175.42/x
  3. Step 3: Cross multiply
    286,014.46x = 394,757.40 × 165,175.42
  4. Step 4: Simplify right side
    286,014.46x = 65,204,219,343.11
  5. Step 5: Solve for x
    x = 65,204,219,343.11/286,014.46
  6. Step 6: Final answer
    x = 227,975.25

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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.