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Finding the Fourth Proportional to 202,158.40, 303,237.60 and 131,299.60

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Solution

The fourth proportional to 202,158.40, 303,237.60 and 131,299.60 is: 196,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.40 : 303,237.60 = 131,299.60 : x
  2. Step 2: Convert to fraction form
    202,158.40/303,237.60 = 131,299.60/x
  3. Step 3: Cross multiply
    202,158.40x = 303,237.60 × 131,299.60
  4. Step 4: Simplify right side
    202,158.40x = 39,814,975,584.96
  5. Step 5: Solve for x
    x = 39,814,975,584.96/202,158.40
  6. Step 6: Final answer
    x = 196,949.40

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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.