Home / 300,718.60-451,077.36-132,198.64

Finding the Fourth Proportional to 300,718.60, 451,077.36 and 132,198.64

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Solution

The fourth proportional to 300,718.60, 451,077.36 and 132,198.64 is: 198,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,718.60 : 451,077.36 = 132,198.64 : x
  2. Step 2: Convert to fraction form
    300,718.60/451,077.36 = 132,198.64/x
  3. Step 3: Cross multiply
    300,718.60x = 451,077.36 × 132,198.64
  4. Step 4: Simplify right side
    300,718.60x = 59,631,813,526.79
  5. Step 5: Solve for x
    x = 59,631,813,526.79/300,718.60
  6. Step 6: Final answer
    x = 198,297.72

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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.