Home / 449,430.20-674,238.90-150,003.80

Finding the Fourth Proportional to 449,430.20, 674,238.90 and 150,003.80

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Solution

The fourth proportional to 449,430.20, 674,238.90 and 150,003.80 is: 225,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,430.20 : 674,238.90 = 150,003.80 : x
  2. Step 2: Convert to fraction form
    449,430.20/674,238.90 = 150,003.80/x
  3. Step 3: Cross multiply
    449,430.20x = 674,238.90 × 150,003.80
  4. Step 4: Simplify right side
    449,430.20x = 101,138,397,107.82
  5. Step 5: Solve for x
    x = 101,138,397,107.82/449,430.20
  6. Step 6: Final answer
    x = 225,036.94

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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.