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Finding the Fourth Proportional to 202,043.40, 303,065.10 and 131,184.60

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Solution

The fourth proportional to 202,043.40, 303,065.10 and 131,184.60 is: 196,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,043.40 : 303,065.10 = 131,184.60 : x
  2. Step 2: Convert to fraction form
    202,043.40/303,065.10 = 131,184.60/x
  3. Step 3: Cross multiply
    202,043.40x = 303,065.10 × 131,184.60
  4. Step 4: Simplify right side
    202,043.40x = 39,757,473,917.46
  5. Step 5: Solve for x
    x = 39,757,473,917.46/202,043.40
  6. Step 6: Final answer
    x = 196,776.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.