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Finding the Fourth Proportional to 303,626.94, 455,441.94 and 126,134.16

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Solution

The fourth proportional to 303,626.94, 455,441.94 and 126,134.16 is: 189,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,626.94 : 455,441.94 = 126,134.16 : x
  2. Step 2: Convert to fraction form
    303,626.94/455,441.94 = 126,134.16/x
  3. Step 3: Cross multiply
    303,626.94x = 455,441.94 × 126,134.16
  4. Step 4: Simplify right side
    303,626.94x = 57,446,786,530.67
  5. Step 5: Solve for x
    x = 57,446,786,530.67/303,626.94
  6. Step 6: Final answer
    x = 189,201.88

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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.