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Finding the Fourth Proportional to 289,027.04, 432,979.44 and 212,987.44

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Solution

The fourth proportional to 289,027.04, 432,979.44 and 212,987.44 is: 319,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,027.04 : 432,979.44 = 212,987.44 : x
  2. Step 2: Convert to fraction form
    289,027.04/432,979.44 = 212,987.44/x
  3. Step 3: Cross multiply
    289,027.04x = 432,979.44 × 212,987.44
  4. Step 4: Simplify right side
    289,027.04x = 92,219,182,498.23
  5. Step 5: Solve for x
    x = 92,219,182,498.23/289,027.04
  6. Step 6: Final answer
    x = 319,067.66

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