Home / 330,826.12-495,439.84-188,239.39

Finding the Fourth Proportional to 330,826.12, 495,439.84 and 188,239.39

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Solution

The fourth proportional to 330,826.12, 495,439.84 and 188,239.39 is: 281,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,826.12 : 495,439.84 = 188,239.39 : x
  2. Step 2: Convert to fraction form
    330,826.12/495,439.84 = 188,239.39/x
  3. Step 3: Cross multiply
    330,826.12x = 495,439.84 × 188,239.39
  4. Step 4: Simplify right side
    330,826.12x = 93,261,295,046.85
  5. Step 5: Solve for x
    x = 93,261,295,046.85/330,826.12
  6. Step 6: Final answer
    x = 281,904.26

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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.