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Finding the Fourth Proportional to 202,276.40, 303,171.60 and 83,886.80

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Solution

The fourth proportional to 202,276.40, 303,171.60 and 83,886.80 is: 125,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,276.40 : 303,171.60 = 83,886.80 : x
  2. Step 2: Convert to fraction form
    202,276.40/303,171.60 = 83,886.80/x
  3. Step 3: Cross multiply
    202,276.40x = 303,171.60 × 83,886.80
  4. Step 4: Simplify right side
    202,276.40x = 25,432,095,374.88
  5. Step 5: Solve for x
    x = 25,432,095,374.88/202,276.40
  6. Step 6: Final answer
    x = 125,729.42

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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.