Home / 263,470.14-395,279.16-105,809.28

Finding the Fourth Proportional to 263,470.14, 395,279.16 and 105,809.28

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Solution

The fourth proportional to 263,470.14, 395,279.16 and 105,809.28 is: 158,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,470.14 : 395,279.16 = 105,809.28 : x
  2. Step 2: Convert to fraction form
    263,470.14/395,279.16 = 105,809.28/x
  3. Step 3: Cross multiply
    263,470.14x = 395,279.16 × 105,809.28
  4. Step 4: Simplify right side
    263,470.14x = 41,824,203,318.60
  5. Step 5: Solve for x
    x = 41,824,203,318.60/263,470.14
  6. Step 6: Final answer
    x = 158,743.62

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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.