Home / 300,787.54-451,238.22-120,886.95

Finding the Fourth Proportional to 300,787.54, 451,238.22 and 120,886.95

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Solution

The fourth proportional to 300,787.54, 451,238.22 and 120,886.95 is: 181,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,787.54 : 451,238.22 = 120,886.95 : x
  2. Step 2: Convert to fraction form
    300,787.54/451,238.22 = 120,886.95/x
  3. Step 3: Cross multiply
    300,787.54x = 451,238.22 × 120,886.95
  4. Step 4: Simplify right side
    300,787.54x = 54,548,812,139.23
  5. Step 5: Solve for x
    x = 54,548,812,139.23/300,787.54
  6. Step 6: Final answer
    x = 181,353.30

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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.