Home / 286,181.22-394,948.45-165,327.54

Finding the Fourth Proportional to 286,181.22, 394,948.45 and 165,327.54

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Solution

The fourth proportional to 286,181.22, 394,948.45 and 165,327.54 is: 228,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,181.22 : 394,948.45 = 165,327.54 : x
  2. Step 2: Convert to fraction form
    286,181.22/394,948.45 = 165,327.54/x
  3. Step 3: Cross multiply
    286,181.22x = 394,948.45 × 165,327.54
  4. Step 4: Simplify right side
    286,181.22x = 65,295,855,665.31
  5. Step 5: Solve for x
    x = 65,295,855,665.31/286,181.22
  6. Step 6: Final answer
    x = 228,162.62

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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.