Home / 329,919.72-494,928.30-119,508.60

Finding the Fourth Proportional to 329,919.72, 494,928.30 and 119,508.60

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Solution

The fourth proportional to 329,919.72, 494,928.30 and 119,508.60 is: 179,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,919.72 : 494,928.30 = 119,508.60 : x
  2. Step 2: Convert to fraction form
    329,919.72/494,928.30 = 119,508.60/x
  3. Step 3: Cross multiply
    329,919.72x = 494,928.30 × 119,508.60
  4. Step 4: Simplify right side
    329,919.72x = 59,148,188,233.38
  5. Step 5: Solve for x
    x = 59,148,188,233.38/329,919.72
  6. Step 6: Final answer
    x = 179,280.55

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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.