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Finding the Fourth Proportional to 449,029.48, 672,586.58 and 363,272.34

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Solution

The fourth proportional to 449,029.48, 672,586.58 and 363,272.34 is: 544,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,029.48 : 672,586.58 = 363,272.34 : x
  2. Step 2: Convert to fraction form
    449,029.48/672,586.58 = 363,272.34/x
  3. Step 3: Cross multiply
    449,029.48x = 672,586.58 × 363,272.34
  4. Step 4: Simplify right side
    449,029.48x = 244,332,100,769.20
  5. Step 5: Solve for x
    x = 244,332,100,769.20/449,029.48
  6. Step 6: Final answer
    x = 544,133.76

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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.