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Finding the Fourth Proportional to 332,485.80, 498,801.60 and 164,086.80

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Solution

The fourth proportional to 332,485.80, 498,801.60 and 164,086.80 is: 246,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,485.80 : 498,801.60 = 164,086.80 : x
  2. Step 2: Convert to fraction form
    332,485.80/498,801.60 = 164,086.80/x
  3. Step 3: Cross multiply
    332,485.80x = 498,801.60 × 164,086.80
  4. Step 4: Simplify right side
    332,485.80x = 81,846,758,378.88
  5. Step 5: Solve for x
    x = 81,846,758,378.88/332,485.80
  6. Step 6: Final answer
    x = 246,166.18

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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.