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Finding the Fourth Proportional to 341,723.40, 513,006.30 and 215,363.40

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Solution

The fourth proportional to 341,723.40, 513,006.30 and 215,363.40 is: 323,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,723.40 : 513,006.30 = 215,363.40 : x
  2. Step 2: Convert to fraction form
    341,723.40/513,006.30 = 215,363.40/x
  3. Step 3: Cross multiply
    341,723.40x = 513,006.30 × 215,363.40
  4. Step 4: Simplify right side
    341,723.40x = 110,482,780,989.42
  5. Step 5: Solve for x
    x = 110,482,780,989.42/341,723.40
  6. Step 6: Final answer
    x = 323,310.55

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