Home / 319,896.27-479,843.03-130,314.35

Finding the Fourth Proportional to 319,896.27, 479,843.03 and 130,314.35

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Solution

The fourth proportional to 319,896.27, 479,843.03 and 130,314.35 is: 195,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,896.27 : 479,843.03 = 130,314.35 : x
  2. Step 2: Convert to fraction form
    319,896.27/479,843.03 = 130,314.35/x
  3. Step 3: Cross multiply
    319,896.27x = 479,843.03 × 130,314.35
  4. Step 4: Simplify right side
    319,896.27x = 62,530,434,081.87
  5. Step 5: Solve for x
    x = 62,530,434,081.87/319,896.27
  6. Step 6: Final answer
    x = 195,470.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.