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Finding the Fourth Proportional to 230,733.20, 346,099.80 and 212,070.80

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Solution

The fourth proportional to 230,733.20, 346,099.80 and 212,070.80 is: 318,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,733.20 : 346,099.80 = 212,070.80 : x
  2. Step 2: Convert to fraction form
    230,733.20/346,099.80 = 212,070.80/x
  3. Step 3: Cross multiply
    230,733.20x = 346,099.80 × 212,070.80
  4. Step 4: Simplify right side
    230,733.20x = 73,397,661,465.84
  5. Step 5: Solve for x
    x = 73,397,661,465.84/230,733.20
  6. Step 6: Final answer
    x = 318,106.20

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