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Finding the Fourth Proportional to 346,723.20, 520,084.80 and 180,489.60

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Solution

The fourth proportional to 346,723.20, 520,084.80 and 180,489.60 is: 270,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.20 : 520,084.80 = 180,489.60 : x
  2. Step 2: Convert to fraction form
    346,723.20/520,084.80 = 180,489.60/x
  3. Step 3: Cross multiply
    346,723.20x = 520,084.80 × 180,489.60
  4. Step 4: Simplify right side
    346,723.20x = 93,869,897,518.08
  5. Step 5: Solve for x
    x = 93,869,897,518.08/346,723.20
  6. Step 6: Final answer
    x = 270,734.40

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