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Finding the Fourth Proportional to 438,046.30, 656,704.95 and 185,520.70

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Solution

The fourth proportional to 438,046.30, 656,704.95 and 185,520.70 is: 278,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,046.30 : 656,704.95 = 185,520.70 : x
  2. Step 2: Convert to fraction form
    438,046.30/656,704.95 = 185,520.70/x
  3. Step 3: Cross multiply
    438,046.30x = 656,704.95 × 185,520.70
  4. Step 4: Simplify right side
    438,046.30x = 121,832,362,017.47
  5. Step 5: Solve for x
    x = 121,832,362,017.47/438,046.30
  6. Step 6: Final answer
    x = 278,126.68

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