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Finding the Fourth Proportional to 353,133.10, 529,008.45 and 212,473.90

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Solution

The fourth proportional to 353,133.10, 529,008.45 and 212,473.90 is: 318,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,133.10 : 529,008.45 = 212,473.90 : x
  2. Step 2: Convert to fraction form
    353,133.10/529,008.45 = 212,473.90/x
  3. Step 3: Cross multiply
    353,133.10x = 529,008.45 × 212,473.90
  4. Step 4: Simplify right side
    353,133.10x = 112,400,488,504.46
  5. Step 5: Solve for x
    x = 112,400,488,504.46/353,133.10
  6. Step 6: Final answer
    x = 318,294.97

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