Home / 263,493.86-395,181.66-121,202.48

Finding the Fourth Proportional to 263,493.86, 395,181.66 and 121,202.48

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Solution

The fourth proportional to 263,493.86, 395,181.66 and 121,202.48 is: 181,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,493.86 : 395,181.66 = 121,202.48 : x
  2. Step 2: Convert to fraction form
    263,493.86/395,181.66 = 121,202.48/x
  3. Step 3: Cross multiply
    263,493.86x = 395,181.66 × 121,202.48
  4. Step 4: Simplify right side
    263,493.86x = 47,896,995,266.61
  5. Step 5: Solve for x
    x = 47,896,995,266.61/263,493.86
  6. Step 6: Final answer
    x = 181,776.52

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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.