Home / 330,213.22-455,742.38-185,028.82

Finding the Fourth Proportional to 330,213.22, 455,742.38 and 185,028.82

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Solution

The fourth proportional to 330,213.22, 455,742.38 and 185,028.82 is: 255,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,213.22 : 455,742.38 = 185,028.82 : x
  2. Step 2: Convert to fraction form
    330,213.22/455,742.38 = 185,028.82/x
  3. Step 3: Cross multiply
    330,213.22x = 455,742.38 × 185,028.82
  4. Step 4: Simplify right side
    330,213.22x = 84,325,474,795.39
  5. Step 5: Solve for x
    x = 84,325,474,795.39/330,213.22
  6. Step 6: Final answer
    x = 255,366.74

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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.