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Finding the Fourth Proportional to 356,881.81, 535,153.21 and 207,168.02

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Solution

The fourth proportional to 356,881.81, 535,153.21 and 207,168.02 is: 310,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,881.81 : 535,153.21 = 207,168.02 : x
  2. Step 2: Convert to fraction form
    356,881.81/535,153.21 = 207,168.02/x
  3. Step 3: Cross multiply
    356,881.81x = 535,153.21 × 207,168.02
  4. Step 4: Simplify right side
    356,881.81x = 110,866,630,912.34
  5. Step 5: Solve for x
    x = 110,866,630,912.34/356,881.81
  6. Step 6: Final answer
    x = 310,653.63

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