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Finding the Fourth Proportional to 372,153.80, 558,230.70 and 194,715.20

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Solution

The fourth proportional to 372,153.80, 558,230.70 and 194,715.20 is: 292,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,153.80 : 558,230.70 = 194,715.20 : x
  2. Step 2: Convert to fraction form
    372,153.80/558,230.70 = 194,715.20/x
  3. Step 3: Cross multiply
    372,153.80x = 558,230.70 × 194,715.20
  4. Step 4: Simplify right side
    372,153.80x = 108,696,002,396.64
  5. Step 5: Solve for x
    x = 108,696,002,396.64/372,153.80
  6. Step 6: Final answer
    x = 292,072.80

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