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Finding the Fourth Proportional to 357,492.63, 493,343.89 and 196,351.43

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Solution

The fourth proportional to 357,492.63, 493,343.89 and 196,351.43 is: 270,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,492.63 : 493,343.89 = 196,351.43 : x
  2. Step 2: Convert to fraction form
    357,492.63/493,343.89 = 196,351.43/x
  3. Step 3: Cross multiply
    357,492.63x = 493,343.89 × 196,351.43
  4. Step 4: Simplify right side
    357,492.63x = 96,868,779,025.74
  5. Step 5: Solve for x
    x = 96,868,779,025.74/357,492.63
  6. Step 6: Final answer
    x = 270,967.21

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