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Finding the Fourth Proportional to 348,213.60, 521,629.20 and 190,159.20

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Solution

The fourth proportional to 348,213.60, 521,629.20 and 190,159.20 is: 284,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213.60 : 521,629.20 = 190,159.20 : x
  2. Step 2: Convert to fraction form
    348,213.60/521,629.20 = 190,159.20/x
  3. Step 3: Cross multiply
    348,213.60x = 521,629.20 × 190,159.20
  4. Step 4: Simplify right side
    348,213.60x = 99,192,591,368.64
  5. Step 5: Solve for x
    x = 99,192,591,368.64/348,213.60
  6. Step 6: Final answer
    x = 284,861.34

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