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Finding the Fourth Proportional to 202,302.70, 303,417.60 and 127,288.60

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Solution

The fourth proportional to 202,302.70, 303,417.60 and 127,288.60 is: 190,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,302.70 : 303,417.60 = 127,288.60 : x
  2. Step 2: Convert to fraction form
    202,302.70/303,417.60 = 127,288.60/x
  3. Step 3: Cross multiply
    202,302.70x = 303,417.60 × 127,288.60
  4. Step 4: Simplify right side
    202,302.70x = 38,621,601,519.36
  5. Step 5: Solve for x
    x = 38,621,601,519.36/202,302.70
  6. Step 6: Final answer
    x = 190,909.97

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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.