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Finding the Fourth Proportional to 315,721.26, 435,838.97 and 201,156.99

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Solution

The fourth proportional to 315,721.26, 435,838.97 and 201,156.99 is: 277,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,721.26 : 435,838.97 = 201,156.99 : x
  2. Step 2: Convert to fraction form
    315,721.26/435,838.97 = 201,156.99/x
  3. Step 3: Cross multiply
    315,721.26x = 435,838.97 × 201,156.99
  4. Step 4: Simplify right side
    315,721.26x = 87,672,054,324.12
  5. Step 5: Solve for x
    x = 87,672,054,324.12/315,721.26
  6. Step 6: Final answer
    x = 277,688.16

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