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Finding the Fourth Proportional to 202,503.60, 303,463.80 and 90,091.80

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Solution

The fourth proportional to 202,503.60, 303,463.80 and 90,091.80 is: 135,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,503.60 : 303,463.80 = 90,091.80 : x
  2. Step 2: Convert to fraction form
    202,503.60/303,463.80 = 90,091.80/x
  3. Step 3: Cross multiply
    202,503.60x = 303,463.80 × 90,091.80
  4. Step 4: Simplify right side
    202,503.60x = 27,339,599,976.84
  5. Step 5: Solve for x
    x = 27,339,599,976.84/202,503.60
  6. Step 6: Final answer
    x = 135,007.97

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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.