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Finding the Fourth Proportional to 378,276.64, 522,234.96 and 251,126.08

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Solution

The fourth proportional to 378,276.64, 522,234.96 and 251,126.08 is: 346,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,276.64 : 522,234.96 = 251,126.08 : x
  2. Step 2: Convert to fraction form
    378,276.64/522,234.96 = 251,126.08/x
  3. Step 3: Cross multiply
    378,276.64x = 522,234.96 × 251,126.08
  4. Step 4: Simplify right side
    378,276.64x = 131,146,818,343.76
  5. Step 5: Solve for x
    x = 131,146,818,343.76/378,276.64
  6. Step 6: Final answer
    x = 346,695.53

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