Home / 304,935.39-420,820.06-168,956.61

Finding the Fourth Proportional to 304,935.39, 420,820.06 and 168,956.61

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Solution

The fourth proportional to 304,935.39, 420,820.06 and 168,956.61 is: 233,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,935.39 : 420,820.06 = 168,956.61 : x
  2. Step 2: Convert to fraction form
    304,935.39/420,820.06 = 168,956.61/x
  3. Step 3: Cross multiply
    304,935.39x = 420,820.06 × 168,956.61
  4. Step 4: Simplify right side
    304,935.39x = 71,100,330,757.60
  5. Step 5: Solve for x
    x = 71,100,330,757.60/304,935.39
  6. Step 6: Final answer
    x = 233,165.23

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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.