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Finding the Fourth Proportional to 311,830.60, 467,756.70 and 98,600.80

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Solution

The fourth proportional to 311,830.60, 467,756.70 and 98,600.80 is: 147,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,830.60 : 467,756.70 = 98,600.80 : x
  2. Step 2: Convert to fraction form
    311,830.60/467,756.70 = 98,600.80/x
  3. Step 3: Cross multiply
    311,830.60x = 467,756.70 × 98,600.80
  4. Step 4: Simplify right side
    311,830.60x = 46,121,184,825.36
  5. Step 5: Solve for x
    x = 46,121,184,825.36/311,830.60
  6. Step 6: Final answer
    x = 147,904.61

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