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Finding the Fourth Proportional to 504,142.62, 756,326.07 and 219,879.15

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Solution

The fourth proportional to 504,142.62, 756,326.07 and 219,879.15 is: 329,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,142.62 : 756,326.07 = 219,879.15 : x
  2. Step 2: Convert to fraction form
    504,142.62/756,326.07 = 219,879.15/x
  3. Step 3: Cross multiply
    504,142.62x = 756,326.07 × 219,879.15
  4. Step 4: Simplify right side
    504,142.62x = 166,300,333,394.44
  5. Step 5: Solve for x
    x = 166,300,333,394.44/504,142.62
  6. Step 6: Final answer
    x = 329,867.63

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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.