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Finding the Fourth Proportional to 259,808.80, 388,935.60 and 244,429.60

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Solution

The fourth proportional to 259,808.80, 388,935.60 and 244,429.60 is: 365,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,808.80 : 388,935.60 = 244,429.60 : x
  2. Step 2: Convert to fraction form
    259,808.80/388,935.60 = 244,429.60/x
  3. Step 3: Cross multiply
    259,808.80x = 388,935.60 × 244,429.60
  4. Step 4: Simplify right side
    259,808.80x = 95,067,373,133.76
  5. Step 5: Solve for x
    x = 95,067,373,133.76/259,808.80
  6. Step 6: Final answer
    x = 365,912.83

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1.5x scale

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.