Home / 286,016.51-394,707.35-165,168.36

Finding the Fourth Proportional to 286,016.51, 394,707.35 and 165,168.36

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Solution

The fourth proportional to 286,016.51, 394,707.35 and 165,168.36 is: 227,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,016.51 : 394,707.35 = 165,168.36 : x
  2. Step 2: Convert to fraction form
    286,016.51/394,707.35 = 165,168.36/x
  3. Step 3: Cross multiply
    286,016.51x = 394,707.35 × 165,168.36
  4. Step 4: Simplify right side
    286,016.51x = 65,193,166,092.37
  5. Step 5: Solve for x
    x = 65,193,166,092.37/286,016.51
  6. Step 6: Final answer
    x = 227,934.97

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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.