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Finding the Fourth Proportional to 496,156.40, 744,234.60 and 163,689.20

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Solution

The fourth proportional to 496,156.40, 744,234.60 and 163,689.20 is: 245,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,156.40 : 744,234.60 = 163,689.20 : x
  2. Step 2: Convert to fraction form
    496,156.40/744,234.60 = 163,689.20/x
  3. Step 3: Cross multiply
    496,156.40x = 744,234.60 × 163,689.20
  4. Step 4: Simplify right side
    496,156.40x = 121,823,166,286.32
  5. Step 5: Solve for x
    x = 121,823,166,286.32/496,156.40
  6. Step 6: Final answer
    x = 245,533.80

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