Home / 318,835.87-439,979.31-182,772.27

Finding the Fourth Proportional to 318,835.87, 439,979.31 and 182,772.27

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Solution

The fourth proportional to 318,835.87, 439,979.31 and 182,772.27 is: 252,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,835.87 : 439,979.31 = 182,772.27 : x
  2. Step 2: Convert to fraction form
    318,835.87/439,979.31 = 182,772.27/x
  3. Step 3: Cross multiply
    318,835.87x = 439,979.31 × 182,772.27
  4. Step 4: Simplify right side
    318,835.87x = 80,416,016,327.87
  5. Step 5: Solve for x
    x = 80,416,016,327.87/318,835.87
  6. Step 6: Final answer
    x = 252,217.59

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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.