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Finding the Fourth Proportional to 348,877.60, 523,316.40 and 127,232.80

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Solution

The fourth proportional to 348,877.60, 523,316.40 and 127,232.80 is: 190,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,877.60 : 523,316.40 = 127,232.80 : x
  2. Step 2: Convert to fraction form
    348,877.60/523,316.40 = 127,232.80/x
  3. Step 3: Cross multiply
    348,877.60x = 523,316.40 × 127,232.80
  4. Step 4: Simplify right side
    348,877.60x = 66,583,010,857.92
  5. Step 5: Solve for x
    x = 66,583,010,857.92/348,877.60
  6. Step 6: Final answer
    x = 190,849.20

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