Home / 331,860.20-497,790.30-82,542.20

Finding the Fourth Proportional to 331,860.20, 497,790.30 and 82,542.20

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Solution

The fourth proportional to 331,860.20, 497,790.30 and 82,542.20 is: 123,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,860.20 : 497,790.30 = 82,542.20 : x
  2. Step 2: Convert to fraction form
    331,860.20/497,790.30 = 82,542.20/x
  3. Step 3: Cross multiply
    331,860.20x = 497,790.30 × 82,542.20
  4. Step 4: Simplify right side
    331,860.20x = 41,088,706,500.66
  5. Step 5: Solve for x
    x = 41,088,706,500.66/331,860.20
  6. Step 6: Final answer
    x = 123,813.30

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1.5x scale

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.