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Finding the Fourth Proportional to 236,492.40, 354,738.60 and 70,280.40

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Solution

The fourth proportional to 236,492.40, 354,738.60 and 70,280.40 is: 105,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,492.40 : 354,738.60 = 70,280.40 : x
  2. Step 2: Convert to fraction form
    236,492.40/354,738.60 = 70,280.40/x
  3. Step 3: Cross multiply
    236,492.40x = 354,738.60 × 70,280.40
  4. Step 4: Simplify right side
    236,492.40x = 24,931,170,703.44
  5. Step 5: Solve for x
    x = 24,931,170,703.44/236,492.40
  6. Step 6: Final answer
    x = 105,420.60

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