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Finding the Fourth Proportional to 353,117.78, 487,292.36 and 200,170.10

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Solution

The fourth proportional to 353,117.78, 487,292.36 and 200,170.10 is: 276,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,117.78 : 487,292.36 = 200,170.10 : x
  2. Step 2: Convert to fraction form
    353,117.78/487,292.36 = 200,170.10/x
  3. Step 3: Cross multiply
    353,117.78x = 487,292.36 × 200,170.10
  4. Step 4: Simplify right side
    353,117.78x = 97,541,360,430.44
  5. Step 5: Solve for x
    x = 97,541,360,430.44/353,117.78
  6. Step 6: Final answer
    x = 276,228.97

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