Home / 330,366.72-455,942.52-185,186.44

Finding the Fourth Proportional to 330,366.72, 455,942.52 and 185,186.44

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Solution

The fourth proportional to 330,366.72, 455,942.52 and 185,186.44 is: 255,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,366.72 : 455,942.52 = 185,186.44 : x
  2. Step 2: Convert to fraction form
    330,366.72/455,942.52 = 185,186.44/x
  3. Step 3: Cross multiply
    330,366.72x = 455,942.52 × 185,186.44
  4. Step 4: Simplify right side
    330,366.72x = 84,434,372,123.43
  5. Step 5: Solve for x
    x = 84,434,372,123.43/330,366.72
  6. Step 6: Final answer
    x = 255,577.72

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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.