Home / 330,852.20-496,739.10-206,436.20

Finding the Fourth Proportional to 330,852.20, 496,739.10 and 206,436.20

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Solution

The fourth proportional to 330,852.20, 496,739.10 and 206,436.20 is: 309,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,852.20 : 496,739.10 = 206,436.20 : x
  2. Step 2: Convert to fraction form
    330,852.20/496,739.10 = 206,436.20/x
  3. Step 3: Cross multiply
    330,852.20x = 496,739.10 × 206,436.20
  4. Step 4: Simplify right side
    330,852.20x = 102,544,932,195.42
  5. Step 5: Solve for x
    x = 102,544,932,195.42/330,852.20
  6. Step 6: Final answer
    x = 309,941.82

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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.