Home / 263,287.02-363,342.99-161,310.54

Finding the Fourth Proportional to 263,287.02, 363,342.99 and 161,310.54

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Solution

The fourth proportional to 263,287.02, 363,342.99 and 161,310.54 is: 222,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,287.02 : 363,342.99 = 161,310.54 : x
  2. Step 2: Convert to fraction form
    263,287.02/363,342.99 = 161,310.54/x
  3. Step 3: Cross multiply
    263,287.02x = 363,342.99 × 161,310.54
  4. Step 4: Simplify right side
    263,287.02x = 58,611,053,922.11
  5. Step 5: Solve for x
    x = 58,611,053,922.11/263,287.02
  6. Step 6: Final answer
    x = 222,612.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.