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Finding the Fourth Proportional to 299,645.87, 413,512.71 and 163,681.70

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Solution

The fourth proportional to 299,645.87, 413,512.71 and 163,681.70 is: 225,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,645.87 : 413,512.71 = 163,681.70 : x
  2. Step 2: Convert to fraction form
    299,645.87/413,512.71 = 163,681.70/x
  3. Step 3: Cross multiply
    299,645.87x = 413,512.71 × 163,681.70
  4. Step 4: Simplify right side
    299,645.87x = 67,684,463,344.41
  5. Step 5: Solve for x
    x = 67,684,463,344.41/299,645.87
  6. Step 6: Final answer
    x = 225,881.52

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