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Finding the Fourth Proportional to 348,035.20, 522,052.80 and 214,482.40

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Solution

The fourth proportional to 348,035.20, 522,052.80 and 214,482.40 is: 321,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,035.20 : 522,052.80 = 214,482.40 : x
  2. Step 2: Convert to fraction form
    348,035.20/522,052.80 = 214,482.40/x
  3. Step 3: Cross multiply
    348,035.20x = 522,052.80 × 214,482.40
  4. Step 4: Simplify right side
    348,035.20x = 111,971,137,470.72
  5. Step 5: Solve for x
    x = 111,971,137,470.72/348,035.20
  6. Step 6: Final answer
    x = 321,723.60

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