Home / 223,006.62-307,324.16-218,907.48

Finding the Fourth Proportional to 223,006.62, 307,324.16 and 218,907.48

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Solution

The fourth proportional to 223,006.62, 307,324.16 and 218,907.48 is: 301,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,006.62 : 307,324.16 = 218,907.48 : x
  2. Step 2: Convert to fraction form
    223,006.62/307,324.16 = 218,907.48/x
  3. Step 3: Cross multiply
    223,006.62x = 307,324.16 × 218,907.48
  4. Step 4: Simplify right side
    223,006.62x = 67,275,557,408.72
  5. Step 5: Solve for x
    x = 67,275,557,408.72/223,006.62
  6. Step 6: Final answer
    x = 301,675.16

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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.