Home / 335,918.78-503,875.03-136,191.69

Finding the Fourth Proportional to 335,918.78, 503,875.03 and 136,191.69

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Solution

The fourth proportional to 335,918.78, 503,875.03 and 136,191.69 is: 204,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,918.78 : 503,875.03 = 136,191.69 : x
  2. Step 2: Convert to fraction form
    335,918.78/503,875.03 = 136,191.69/x
  3. Step 3: Cross multiply
    335,918.78x = 503,875.03 × 136,191.69
  4. Step 4: Simplify right side
    335,918.78x = 68,623,589,365.13
  5. Step 5: Solve for x
    x = 68,623,589,365.13/335,918.78
  6. Step 6: Final answer
    x = 204,286.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.