Home / 361,439.89-498,789.93-200,297.61

Finding the Fourth Proportional to 361,439.89, 498,789.93 and 200,297.61

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Solution

The fourth proportional to 361,439.89, 498,789.93 and 200,297.61 is: 276,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,439.89 : 498,789.93 = 200,297.61 : x
  2. Step 2: Convert to fraction form
    361,439.89/498,789.93 = 200,297.61/x
  3. Step 3: Cross multiply
    361,439.89x = 498,789.93 × 200,297.61
  4. Step 4: Simplify right side
    361,439.89x = 99,906,431,622.18
  5. Step 5: Solve for x
    x = 99,906,431,622.18/361,439.89
  6. Step 6: Final answer
    x = 276,412.30

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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.