Home / 300,631.05-451,201.73-123,265.35

Finding the Fourth Proportional to 300,631.05, 451,201.73 and 123,265.35

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Solution

The fourth proportional to 300,631.05, 451,201.73 and 123,265.35 is: 185,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,631.05 : 451,201.73 = 123,265.35 : x
  2. Step 2: Convert to fraction form
    300,631.05/451,201.73 = 123,265.35/x
  3. Step 3: Cross multiply
    300,631.05x = 451,201.73 × 123,265.35
  4. Step 4: Simplify right side
    300,631.05x = 55,617,538,552.73
  5. Step 5: Solve for x
    x = 55,617,538,552.73/300,631.05
  6. Step 6: Final answer
    x = 185,002.64

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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.