Home / 304,932.67-420,800.81-168,965.43

Finding the Fourth Proportional to 304,932.67, 420,800.81 and 168,965.43

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Solution

The fourth proportional to 304,932.67, 420,800.81 and 168,965.43 is: 233,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,932.67 : 420,800.81 = 168,965.43 : x
  2. Step 2: Convert to fraction form
    304,932.67/420,800.81 = 168,965.43/x
  3. Step 3: Cross multiply
    304,932.67x = 420,800.81 × 168,965.43
  4. Step 4: Simplify right side
    304,932.67x = 71,100,787,383.17
  5. Step 5: Solve for x
    x = 71,100,787,383.17/304,932.67
  6. Step 6: Final answer
    x = 233,168.81

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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.