Home / 330,278.40-455,767.20-179,375.04

Finding the Fourth Proportional to 330,278.40, 455,767.20 and 179,375.04

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Solution

The fourth proportional to 330,278.40, 455,767.20 and 179,375.04 is: 247,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278.40 : 455,767.20 = 179,375.04 : x
  2. Step 2: Convert to fraction form
    330,278.40/455,767.20 = 179,375.04/x
  3. Step 3: Cross multiply
    330,278.40x = 455,767.20 × 179,375.04
  4. Step 4: Simplify right side
    330,278.40x = 81,753,259,730.69
  5. Step 5: Solve for x
    x = 81,753,259,730.69/330,278.40
  6. Step 6: Final answer
    x = 247,528.33

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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.