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Finding the Fourth Proportional to 439,995.81, 659,993.73 and 229,584.54

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Solution

The fourth proportional to 439,995.81, 659,993.73 and 229,584.54 is: 344,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,995.81 : 659,993.73 = 229,584.54 : x
  2. Step 2: Convert to fraction form
    439,995.81/659,993.73 = 229,584.54/x
  3. Step 3: Cross multiply
    439,995.81x = 659,993.73 × 229,584.54
  4. Step 4: Simplify right side
    439,995.81x = 151,524,356,904.93
  5. Step 5: Solve for x
    x = 151,524,356,904.93/439,995.81
  6. Step 6: Final answer
    x = 344,376.82

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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.