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Finding the Fourth Proportional to 312,337.52, 430,577.84 and 222,758

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Solution

The fourth proportional to 312,337.52, 430,577.84 and 222,758 is: 307,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,337.52 : 430,577.84 = 222,758 : x
  2. Step 2: Convert to fraction form
    312,337.52/430,577.84 = 222,758/x
  3. Step 3: Cross multiply
    312,337.52x = 430,577.84 × 222,758
  4. Step 4: Simplify right side
    312,337.52x = 95,914,658,482.72
  5. Step 5: Solve for x
    x = 95,914,658,482.72/312,337.52
  6. Step 6: Final answer
    x = 307,086.57

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