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Finding the Fourth Proportional to 330,971.59, 496,021.11 and 131,183.11

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Solution

The fourth proportional to 330,971.59, 496,021.11 and 131,183.11 is: 196,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,971.59 : 496,021.11 = 131,183.11 : x
  2. Step 2: Convert to fraction form
    330,971.59/496,021.11 = 131,183.11/x
  3. Step 3: Cross multiply
    330,971.59x = 496,021.11 × 131,183.11
  4. Step 4: Simplify right side
    330,971.59x = 65,069,591,835.45
  5. Step 5: Solve for x
    x = 65,069,591,835.45/330,971.59
  6. Step 6: Final answer
    x = 196,601.74

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1.5x scale

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.