Home / 330,010.42-455,414.34-179,107.42

Finding the Fourth Proportional to 330,010.42, 455,414.34 and 179,107.42

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Solution

The fourth proportional to 330,010.42, 455,414.34 and 179,107.42 is: 247,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,010.42 : 455,414.34 = 179,107.42 : x
  2. Step 2: Convert to fraction form
    330,010.42/455,414.34 = 179,107.42/x
  3. Step 3: Cross multiply
    330,010.42x = 455,414.34 × 179,107.42
  4. Step 4: Simplify right side
    330,010.42x = 81,568,087,468.40
  5. Step 5: Solve for x
    x = 81,568,087,468.40/330,010.42
  6. Step 6: Final answer
    x = 247,168.22

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1.5x scale

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.