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Finding the Fourth Proportional to 202,356.34, 303,535.72 and 90,010.15

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Solution

The fourth proportional to 202,356.34, 303,535.72 and 90,010.15 is: 135,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.34 : 303,535.72 = 90,010.15 : x
  2. Step 2: Convert to fraction form
    202,356.34/303,535.72 = 90,010.15/x
  3. Step 3: Cross multiply
    202,356.34x = 303,535.72 × 90,010.15
  4. Step 4: Simplify right side
    202,356.34x = 27,321,295,687.56
  5. Step 5: Solve for x
    x = 27,321,295,687.56/202,356.34
  6. Step 6: Final answer
    x = 135,015.76

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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.