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Finding the Fourth Proportional to 341,930.40, 512,895.60 and 92,612.40

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Solution

The fourth proportional to 341,930.40, 512,895.60 and 92,612.40 is: 138,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,930.40 : 512,895.60 = 92,612.40 : x
  2. Step 2: Convert to fraction form
    341,930.40/512,895.60 = 92,612.40/x
  3. Step 3: Cross multiply
    341,930.40x = 512,895.60 × 92,612.40
  4. Step 4: Simplify right side
    341,930.40x = 47,500,492,465.44
  5. Step 5: Solve for x
    x = 47,500,492,465.44/341,930.40
  6. Step 6: Final answer
    x = 138,918.60

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