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Finding the Fourth Proportional to 368,166.40, 551,860.80 and 210,054.40

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Solution

The fourth proportional to 368,166.40, 551,860.80 and 210,054.40 is: 314,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,166.40 : 551,860.80 = 210,054.40 : x
  2. Step 2: Convert to fraction form
    368,166.40/551,860.80 = 210,054.40/x
  3. Step 3: Cross multiply
    368,166.40x = 551,860.80 × 210,054.40
  4. Step 4: Simplify right side
    368,166.40x = 115,920,789,227.52
  5. Step 5: Solve for x
    x = 115,920,789,227.52/368,166.40
  6. Step 6: Final answer
    x = 314,859.77

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