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Finding the Fourth Proportional to 328,339.80, 453,179.36 and 207,404.16

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Solution

The fourth proportional to 328,339.80, 453,179.36 and 207,404.16 is: 286,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,339.80 : 453,179.36 = 207,404.16 : x
  2. Step 2: Convert to fraction form
    328,339.80/453,179.36 = 207,404.16/x
  3. Step 3: Cross multiply
    328,339.80x = 453,179.36 × 207,404.16
  4. Step 4: Simplify right side
    328,339.80x = 93,991,284,490.14
  5. Step 5: Solve for x
    x = 93,991,284,490.14/328,339.80
  6. Step 6: Final answer
    x = 286,262.23

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