Home / 304,983.09-420,905.97-169,046.46

Finding the Fourth Proportional to 304,983.09, 420,905.97 and 169,046.46

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Solution

The fourth proportional to 304,983.09, 420,905.97 and 169,046.46 is: 233,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,983.09 : 420,905.97 = 169,046.46 : x
  2. Step 2: Convert to fraction form
    304,983.09/420,905.97 = 169,046.46/x
  3. Step 3: Cross multiply
    304,983.09x = 420,905.97 × 169,046.46
  4. Step 4: Simplify right side
    304,983.09x = 71,152,664,221.37
  5. Step 5: Solve for x
    x = 71,152,664,221.37/304,983.09
  6. Step 6: Final answer
    x = 233,300.36

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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.