Home / 263,463.12-395,268.68-105,802.28

Finding the Fourth Proportional to 263,463.12, 395,268.68 and 105,802.28

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Solution

The fourth proportional to 263,463.12, 395,268.68 and 105,802.28 is: 158,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,463.12 : 395,268.68 = 105,802.28 : x
  2. Step 2: Convert to fraction form
    263,463.12/395,268.68 = 105,802.28/x
  3. Step 3: Cross multiply
    263,463.12x = 395,268.68 × 105,802.28
  4. Step 4: Simplify right side
    263,463.12x = 41,820,327,556.59
  5. Step 5: Solve for x
    x = 41,820,327,556.59/263,463.12
  6. Step 6: Final answer
    x = 158,733.14

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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.