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Finding the Fourth Proportional to 353,066.88, 487,120.32 and 219,008.64

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Solution

The fourth proportional to 353,066.88, 487,120.32 and 219,008.64 is: 302,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,066.88 : 487,120.32 = 219,008.64 : x
  2. Step 2: Convert to fraction form
    353,066.88/487,120.32 = 219,008.64/x
  3. Step 3: Cross multiply
    353,066.88x = 487,120.32 × 219,008.64
  4. Step 4: Simplify right side
    353,066.88x = 106,683,558,799.57
  5. Step 5: Solve for x
    x = 106,683,558,799.57/353,066.88
  6. Step 6: Final answer
    x = 302,162.47

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