Home / 331,150.24-496,799.43-120,788.18

Finding the Fourth Proportional to 331,150.24, 496,799.43 and 120,788.18

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Solution

The fourth proportional to 331,150.24, 496,799.43 and 120,788.18 is: 181,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,150.24 : 496,799.43 = 120,788.18 : x
  2. Step 2: Convert to fraction form
    331,150.24/496,799.43 = 120,788.18/x
  3. Step 3: Cross multiply
    331,150.24x = 496,799.43 × 120,788.18
  4. Step 4: Simplify right side
    331,150.24x = 60,007,495,886.80
  5. Step 5: Solve for x
    x = 60,007,495,886.80/331,150.24
  6. Step 6: Final answer
    x = 181,209.28

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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.