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Finding the Fourth Proportional to 328,721.76, 453,638.16 and 192,725.28

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Solution

The fourth proportional to 328,721.76, 453,638.16 and 192,725.28 is: 265,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,721.76 : 453,638.16 = 192,725.28 : x
  2. Step 2: Convert to fraction form
    328,721.76/453,638.16 = 192,725.28/x
  3. Step 3: Cross multiply
    328,721.76x = 453,638.16 × 192,725.28
  4. Step 4: Simplify right side
    328,721.76x = 87,427,541,404.68
  5. Step 5: Solve for x
    x = 87,427,541,404.68/328,721.76
  6. Step 6: Final answer
    x = 265,962.14

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