Home / 401,469.92-554,027.38-229,441.27

Finding the Fourth Proportional to 401,469.92, 554,027.38 and 229,441.27

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Solution

The fourth proportional to 401,469.92, 554,027.38 and 229,441.27 is: 316,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,469.92 : 554,027.38 = 229,441.27 : x
  2. Step 2: Convert to fraction form
    401,469.92/554,027.38 = 229,441.27/x
  3. Step 3: Cross multiply
    401,469.92x = 554,027.38 × 229,441.27
  4. Step 4: Simplify right side
    401,469.92x = 127,116,743,723.30
  5. Step 5: Solve for x
    x = 127,116,743,723.30/401,469.92
  6. Step 6: Final answer
    x = 316,628.31

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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.