Home / 400,388.42-552,546.85-245,337.02

Finding the Fourth Proportional to 400,388.42, 552,546.85 and 245,337.02

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Solution

The fourth proportional to 400,388.42, 552,546.85 and 245,337.02 is: 338,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,388.42 : 552,546.85 = 245,337.02 : x
  2. Step 2: Convert to fraction form
    400,388.42/552,546.85 = 245,337.02/x
  3. Step 3: Cross multiply
    400,388.42x = 552,546.85 × 245,337.02
  4. Step 4: Simplify right side
    400,388.42x = 135,560,194,826.65
  5. Step 5: Solve for x
    x = 135,560,194,826.65/400,388.42
  6. Step 6: Final answer
    x = 338,571.72

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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.