Home / 263,451.41-395,016.93-103,335.47

Finding the Fourth Proportional to 263,451.41, 395,016.93 and 103,335.47

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Solution

The fourth proportional to 263,451.41, 395,016.93 and 103,335.47 is: 154,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,451.41 : 395,016.93 = 103,335.47 : x
  2. Step 2: Convert to fraction form
    263,451.41/395,016.93 = 103,335.47/x
  3. Step 3: Cross multiply
    263,451.41x = 395,016.93 × 103,335.47
  4. Step 4: Simplify right side
    263,451.41x = 40,819,260,119.51
  5. Step 5: Solve for x
    x = 40,819,260,119.51/263,451.41
  6. Step 6: Final answer
    x = 154,940.37

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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.