Home / 330,849.68-496,438.61-131,165.64

Finding the Fourth Proportional to 330,849.68, 496,438.61 and 131,165.64

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Solution

The fourth proportional to 330,849.68, 496,438.61 and 131,165.64 is: 196,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.68 : 496,438.61 = 131,165.64 : x
  2. Step 2: Convert to fraction form
    330,849.68/496,438.61 = 131,165.64/x
  3. Step 3: Cross multiply
    330,849.68x = 496,438.61 × 131,165.64
  4. Step 4: Simplify right side
    330,849.68x = 65,115,687,345.53
  5. Step 5: Solve for x
    x = 65,115,687,345.53/330,849.68
  6. Step 6: Final answer
    x = 196,813.51

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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.