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Finding the Fourth Proportional to 304,105.26, 419,654.67 and 166,287.40

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Solution

The fourth proportional to 304,105.26, 419,654.67 and 166,287.40 is: 229,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,105.26 : 419,654.67 = 166,287.40 : x
  2. Step 2: Convert to fraction form
    304,105.26/419,654.67 = 166,287.40/x
  3. Step 3: Cross multiply
    304,105.26x = 419,654.67 × 166,287.40
  4. Step 4: Simplify right side
    304,105.26x = 69,783,285,595.37
  5. Step 5: Solve for x
    x = 69,783,285,595.37/304,105.26
  6. Step 6: Final answer
    x = 229,470.83

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1.5x scale

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.