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Finding the Fourth Proportional to 228,570.80, 342,856.20 and 70,847.60

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Solution

The fourth proportional to 228,570.80, 342,856.20 and 70,847.60 is: 106,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,570.80 : 342,856.20 = 70,847.60 : x
  2. Step 2: Convert to fraction form
    228,570.80/342,856.20 = 70,847.60/x
  3. Step 3: Cross multiply
    228,570.80x = 342,856.20 × 70,847.60
  4. Step 4: Simplify right side
    228,570.80x = 24,290,538,915.12
  5. Step 5: Solve for x
    x = 24,290,538,915.12/228,570.80
  6. Step 6: Final answer
    x = 106,271.40

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