Home / 300,834.70-415,042.05-179,979.46

Finding the Fourth Proportional to 300,834.70, 415,042.05 and 179,979.46

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Solution

The fourth proportional to 300,834.70, 415,042.05 and 179,979.46 is: 248,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,834.70 : 415,042.05 = 179,979.46 : x
  2. Step 2: Convert to fraction form
    300,834.70/415,042.05 = 179,979.46/x
  3. Step 3: Cross multiply
    300,834.70x = 415,042.05 × 179,979.46
  4. Step 4: Simplify right side
    300,834.70x = 74,699,044,036.29
  5. Step 5: Solve for x
    x = 74,699,044,036.29/300,834.70
  6. Step 6: Final answer
    x = 248,305.94

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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.