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Finding the Fourth Proportional to 300,629.66, 415,147.83 and 225,046.94

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Solution

The fourth proportional to 300,629.66, 415,147.83 and 225,046.94 is: 310,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,629.66 : 415,147.83 = 225,046.94 : x
  2. Step 2: Convert to fraction form
    300,629.66/415,147.83 = 225,046.94/x
  3. Step 3: Cross multiply
    300,629.66x = 415,147.83 × 225,046.94
  4. Step 4: Simplify right side
    300,629.66x = 93,427,748,789.14
  5. Step 5: Solve for x
    x = 93,427,748,789.14/300,629.66
  6. Step 6: Final answer
    x = 310,773.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.