Home / 275,949.80-413,822.30-109,703.40

Finding the Fourth Proportional to 275,949.80, 413,822.30 and 109,703.40

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Solution

The fourth proportional to 275,949.80, 413,822.30 and 109,703.40 is: 164,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,949.80 : 413,822.30 = 109,703.40 : x
  2. Step 2: Convert to fraction form
    275,949.80/413,822.30 = 109,703.40/x
  3. Step 3: Cross multiply
    275,949.80x = 413,822.30 × 109,703.40
  4. Step 4: Simplify right side
    275,949.80x = 45,397,713,305.82
  5. Step 5: Solve for x
    x = 45,397,713,305.82/275,949.80
  6. Step 6: Final answer
    x = 164,514.39

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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.