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Finding the Fourth Proportional to 354,942.40, 532,413.60 and 105,624.40

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Solution

The fourth proportional to 354,942.40, 532,413.60 and 105,624.40 is: 158,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,942.40 : 532,413.60 = 105,624.40 : x
  2. Step 2: Convert to fraction form
    354,942.40/532,413.60 = 105,624.40/x
  3. Step 3: Cross multiply
    354,942.40x = 532,413.60 × 105,624.40
  4. Step 4: Simplify right side
    354,942.40x = 56,235,867,051.84
  5. Step 5: Solve for x
    x = 56,235,867,051.84/354,942.40
  6. Step 6: Final answer
    x = 158,436.60

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