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Finding the Fourth Proportional to 367,906.60, 550,547.70 and 255,057.40

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Solution

The fourth proportional to 367,906.60, 550,547.70 and 255,057.40 is: 381,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,906.60 : 550,547.70 = 255,057.40 : x
  2. Step 2: Convert to fraction form
    367,906.60/550,547.70 = 255,057.40/x
  3. Step 3: Cross multiply
    367,906.60x = 550,547.70 × 255,057.40
  4. Step 4: Simplify right side
    367,906.60x = 140,421,264,937.98
  5. Step 5: Solve for x
    x = 140,421,264,937.98/367,906.60
  6. Step 6: Final answer
    x = 381,676.40

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