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Finding the Fourth Proportional to 431,833.95, 647,833.95 and 165,573.70

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Solution

The fourth proportional to 431,833.95, 647,833.95 and 165,573.70 is: 248,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,833.95 : 647,833.95 = 165,573.70 : x
  2. Step 2: Convert to fraction form
    431,833.95/647,833.95 = 165,573.70/x
  3. Step 3: Cross multiply
    431,833.95x = 647,833.95 × 165,573.70
  4. Step 4: Simplify right side
    431,833.95x = 107,264,264,087.12
  5. Step 5: Solve for x
    x = 107,264,264,087.12/431,833.95
  6. Step 6: Final answer
    x = 248,392.38

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