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Finding the Fourth Proportional to 359,709.48, 496,322.10 and 208,725.48

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Solution

The fourth proportional to 359,709.48, 496,322.10 and 208,725.48 is: 287,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,709.48 : 496,322.10 = 208,725.48 : x
  2. Step 2: Convert to fraction form
    359,709.48/496,322.10 = 208,725.48/x
  3. Step 3: Cross multiply
    359,709.48x = 496,322.10 × 208,725.48
  4. Step 4: Simplify right side
    359,709.48x = 103,595,068,557.11
  5. Step 5: Solve for x
    x = 103,595,068,557.11/359,709.48
  6. Step 6: Final answer
    x = 287,996.49

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