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Finding the Fourth Proportional to 368,158.40, 551,848.80 and 210,046.40

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Solution

The fourth proportional to 368,158.40, 551,848.80 and 210,046.40 is: 314,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,158.40 : 551,848.80 = 210,046.40 : x
  2. Step 2: Convert to fraction form
    368,158.40/551,848.80 = 210,046.40/x
  3. Step 3: Cross multiply
    368,158.40x = 551,848.80 × 210,046.40
  4. Step 4: Simplify right side
    368,158.40x = 115,913,853,784.32
  5. Step 5: Solve for x
    x = 115,913,853,784.32/368,158.40
  6. Step 6: Final answer
    x = 314,847.78

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