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Finding the Fourth Proportional to 432,920.30, 649,476.28 and 148,604.47

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Solution

The fourth proportional to 432,920.30, 649,476.28 and 148,604.47 is: 222,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,920.30 : 649,476.28 = 148,604.47 : x
  2. Step 2: Convert to fraction form
    432,920.30/649,476.28 = 148,604.47/x
  3. Step 3: Cross multiply
    432,920.30x = 649,476.28 × 148,604.47
  4. Step 4: Simplify right side
    432,920.30x = 96,515,079,746.44
  5. Step 5: Solve for x
    x = 96,515,079,746.44/432,920.30
  6. Step 6: Final answer
    x = 222,939.61

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