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Finding the Fourth Proportional to 404,676.26, 558,453.24 and 225,828.26

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Solution

The fourth proportional to 404,676.26, 558,453.24 and 225,828.26 is: 311,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,676.26 : 558,453.24 = 225,828.26 : x
  2. Step 2: Convert to fraction form
    404,676.26/558,453.24 = 225,828.26/x
  3. Step 3: Cross multiply
    404,676.26x = 558,453.24 × 225,828.26
  4. Step 4: Simplify right side
    404,676.26x = 126,114,523,480.56
  5. Step 5: Solve for x
    x = 126,114,523,480.56/404,676.26
  6. Step 6: Final answer
    x = 311,643.00

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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.