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Finding the Fourth Proportional to 332,686.44, 499,033.62 and 92,785.75

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Solution

The fourth proportional to 332,686.44, 499,033.62 and 92,785.75 is: 139,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,686.44 : 499,033.62 = 92,785.75 : x
  2. Step 2: Convert to fraction form
    332,686.44/499,033.62 = 92,785.75/x
  3. Step 3: Cross multiply
    332,686.44x = 499,033.62 × 92,785.75
  4. Step 4: Simplify right side
    332,686.44x = 46,303,208,706.92
  5. Step 5: Solve for x
    x = 46,303,208,706.92/332,686.44
  6. Step 6: Final answer
    x = 139,179.73

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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.