Home / 419,519.48-629,370.35-153,279.57

Finding the Fourth Proportional to 419,519.48, 629,370.35 and 153,279.57

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Solution

The fourth proportional to 419,519.48, 629,370.35 and 153,279.57 is: 229,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,519.48 : 629,370.35 = 153,279.57 : x
  2. Step 2: Convert to fraction form
    419,519.48/629,370.35 = 153,279.57/x
  3. Step 3: Cross multiply
    419,519.48x = 629,370.35 × 153,279.57
  4. Step 4: Simplify right side
    419,519.48x = 96,469,615,852.35
  5. Step 5: Solve for x
    x = 96,469,615,852.35/419,519.48
  6. Step 6: Final answer
    x = 229,952.65

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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.