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Finding the Fourth Proportional to 334,857.80, 502,128.30 and 194,659.40

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Solution

The fourth proportional to 334,857.80, 502,128.30 and 194,659.40 is: 291,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,857.80 : 502,128.30 = 194,659.40 : x
  2. Step 2: Convert to fraction form
    334,857.80/502,128.30 = 194,659.40/x
  3. Step 3: Cross multiply
    334,857.80x = 502,128.30 × 194,659.40
  4. Step 4: Simplify right side
    334,857.80x = 97,743,993,601.02
  5. Step 5: Solve for x
    x = 97,743,993,601.02/334,857.80
  6. Step 6: Final answer
    x = 291,897.02

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