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Finding the Fourth Proportional to 340,521.12, 469,502.76 and 212,975.28

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Solution

The fourth proportional to 340,521.12, 469,502.76 and 212,975.28 is: 293,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,521.12 : 469,502.76 = 212,975.28 : x
  2. Step 2: Convert to fraction form
    340,521.12/469,502.76 = 212,975.28/x
  3. Step 3: Cross multiply
    340,521.12x = 469,502.76 × 212,975.28
  4. Step 4: Simplify right side
    340,521.12x = 99,992,481,771.77
  5. Step 5: Solve for x
    x = 99,992,481,771.77/340,521.12
  6. Step 6: Final answer
    x = 293,645.46

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