Home / 304,939.68-420,810.46-168,972.43

Finding the Fourth Proportional to 304,939.68, 420,810.46 and 168,972.43

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Solution

The fourth proportional to 304,939.68, 420,810.46 and 168,972.43 is: 233,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,939.68 : 420,810.46 = 168,972.43 : x
  2. Step 2: Convert to fraction form
    304,939.68/420,810.46 = 168,972.43/x
  3. Step 3: Cross multiply
    304,939.68x = 420,810.46 × 168,972.43
  4. Step 4: Simplify right side
    304,939.68x = 71,105,365,995.62
  5. Step 5: Solve for x
    x = 71,105,365,995.62/304,939.68
  6. Step 6: Final answer
    x = 233,178.46

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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.