Home / 329,416.20-494,145.90-92,766.60

Finding the Fourth Proportional to 329,416.20, 494,145.90 and 92,766.60

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Solution

The fourth proportional to 329,416.20, 494,145.90 and 92,766.60 is: 139,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.20 : 494,145.90 = 92,766.60 : x
  2. Step 2: Convert to fraction form
    329,416.20/494,145.90 = 92,766.60/x
  3. Step 3: Cross multiply
    329,416.20x = 494,145.90 × 92,766.60
  4. Step 4: Simplify right side
    329,416.20x = 45,840,235,046.94
  5. Step 5: Solve for x
    x = 45,840,235,046.94/329,416.20
  6. Step 6: Final answer
    x = 139,155.98

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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.