Home / 286,150.41-394,906.05-165,296.79

Finding the Fourth Proportional to 286,150.41, 394,906.05 and 165,296.79

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Solution

The fourth proportional to 286,150.41, 394,906.05 and 165,296.79 is: 228,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,150.41 : 394,906.05 = 165,296.79 : x
  2. Step 2: Convert to fraction form
    286,150.41/394,906.05 = 165,296.79/x
  3. Step 3: Cross multiply
    286,150.41x = 394,906.05 × 165,296.79
  4. Step 4: Simplify right side
    286,150.41x = 65,276,702,416.58
  5. Step 5: Solve for x
    x = 65,276,702,416.58/286,150.41
  6. Step 6: Final answer
    x = 228,120.25

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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.