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Finding the Fourth Proportional to 373,200.64, 515,030.88 and 212,083.12

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Solution

The fourth proportional to 373,200.64, 515,030.88 and 212,083.12 is: 292,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,200.64 : 515,030.88 = 212,083.12 : x
  2. Step 2: Convert to fraction form
    373,200.64/515,030.88 = 212,083.12/x
  3. Step 3: Cross multiply
    373,200.64x = 515,030.88 × 212,083.12
  4. Step 4: Simplify right side
    373,200.64x = 109,229,355,926.75
  5. Step 5: Solve for x
    x = 109,229,355,926.75/373,200.64
  6. Step 6: Final answer
    x = 292,682.66

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