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Finding the Fourth Proportional to 386,019.60, 579,033.72 and 161,414.16

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Solution

The fourth proportional to 386,019.60, 579,033.72 and 161,414.16 is: 242,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,019.60 : 579,033.72 = 161,414.16 : x
  2. Step 2: Convert to fraction form
    386,019.60/579,033.72 = 161,414.16/x
  3. Step 3: Cross multiply
    386,019.60x = 579,033.72 × 161,414.16
  4. Step 4: Simplify right side
    386,019.60x = 93,464,241,525.48
  5. Step 5: Solve for x
    x = 93,464,241,525.48/386,019.60
  6. Step 6: Final answer
    x = 242,123.05

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