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Finding the Fourth Proportional to 300,378.38, 450,496.39 and 110,735.71

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Solution

The fourth proportional to 300,378.38, 450,496.39 and 110,735.71 is: 166,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,378.38 : 450,496.39 = 110,735.71 : x
  2. Step 2: Convert to fraction form
    300,378.38/450,496.39 = 110,735.71/x
  3. Step 3: Cross multiply
    300,378.38x = 450,496.39 × 110,735.71
  4. Step 4: Simplify right side
    300,378.38x = 49,886,037,599.09
  5. Step 5: Solve for x
    x = 49,886,037,599.09/300,378.38
  6. Step 6: Final answer
    x = 166,077.32

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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.