Home / 329,464.08-494,196.12-80,143.92

Finding the Fourth Proportional to 329,464.08, 494,196.12 and 80,143.92

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Solution

The fourth proportional to 329,464.08, 494,196.12 and 80,143.92 is: 120,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,464.08 : 494,196.12 = 80,143.92 : x
  2. Step 2: Convert to fraction form
    329,464.08/494,196.12 = 80,143.92/x
  3. Step 3: Cross multiply
    329,464.08x = 494,196.12 × 80,143.92
  4. Step 4: Simplify right side
    329,464.08x = 39,606,814,305.59
  5. Step 5: Solve for x
    x = 39,606,814,305.59/329,464.08
  6. Step 6: Final answer
    x = 120,215.88

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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.