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Finding the Fourth Proportional to 328,035.80, 492,053.70 and 248,720.60

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Solution

The fourth proportional to 328,035.80, 492,053.70 and 248,720.60 is: 373,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,035.80 : 492,053.70 = 248,720.60 : x
  2. Step 2: Convert to fraction form
    328,035.80/492,053.70 = 248,720.60/x
  3. Step 3: Cross multiply
    328,035.80x = 492,053.70 × 248,720.60
  4. Step 4: Simplify right side
    328,035.80x = 122,383,891,496.22
  5. Step 5: Solve for x
    x = 122,383,891,496.22/328,035.80
  6. Step 6: Final answer
    x = 373,080.90

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