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Finding the Fourth Proportional to 444,065.77, 665,831.88 and 203,879.10

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Solution

The fourth proportional to 444,065.77, 665,831.88 and 203,879.10 is: 305,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,065.77 : 665,831.88 = 203,879.10 : x
  2. Step 2: Convert to fraction form
    444,065.77/665,831.88 = 203,879.10/x
  3. Step 3: Cross multiply
    444,065.77x = 665,831.88 × 203,879.10
  4. Step 4: Simplify right side
    444,065.77x = 135,749,206,942.58
  5. Step 5: Solve for x
    x = 135,749,206,942.58/444,065.77
  6. Step 6: Final answer
    x = 305,696.17

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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.