Home / 331,788.80-497,449.92-154,107.20

Finding the Fourth Proportional to 331,788.80, 497,449.92 and 154,107.20

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Solution

The fourth proportional to 331,788.80, 497,449.92 and 154,107.20 is: 231,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,788.80 : 497,449.92 = 154,107.20 : x
  2. Step 2: Convert to fraction form
    331,788.80/497,449.92 = 154,107.20/x
  3. Step 3: Cross multiply
    331,788.80x = 497,449.92 × 154,107.20
  4. Step 4: Simplify right side
    331,788.80x = 76,660,614,311.42
  5. Step 5: Solve for x
    x = 76,660,614,311.42/331,788.80
  6. Step 6: Final answer
    x = 231,052.45

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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.