Home / 286,781.36-395,807.82-165,989.25

Finding the Fourth Proportional to 286,781.36, 395,807.82 and 165,989.25

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Solution

The fourth proportional to 286,781.36, 395,807.82 and 165,989.25 is: 229,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,781.36 : 395,807.82 = 165,989.25 : x
  2. Step 2: Convert to fraction form
    286,781.36/395,807.82 = 165,989.25/x
  3. Step 3: Cross multiply
    286,781.36x = 395,807.82 × 165,989.25
  4. Step 4: Simplify right side
    286,781.36x = 65,699,842,563.48
  5. Step 5: Solve for x
    x = 65,699,842,563.48/286,781.36
  6. Step 6: Final answer
    x = 229,093.84

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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.