Home / 263,843.06-395,838.46-86,474.63

Finding the Fourth Proportional to 263,843.06, 395,838.46 and 86,474.63

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Solution

The fourth proportional to 263,843.06, 395,838.46 and 86,474.63 is: 129,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,843.06 : 395,838.46 = 86,474.63 : x
  2. Step 2: Convert to fraction form
    263,843.06/395,838.46 = 86,474.63/x
  3. Step 3: Cross multiply
    263,843.06x = 395,838.46 × 86,474.63
  4. Step 4: Simplify right side
    263,843.06x = 34,229,984,368.27
  5. Step 5: Solve for x
    x = 34,229,984,368.27/263,843.06
  6. Step 6: Final answer
    x = 129,736.16

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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.