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Finding the Fourth Proportional to 371,108.40, 512,095.14 and 209,975.64

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Solution

The fourth proportional to 371,108.40, 512,095.14 and 209,975.64 is: 289,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,108.40 : 512,095.14 = 209,975.64 : x
  2. Step 2: Convert to fraction form
    371,108.40/512,095.14 = 209,975.64/x
  3. Step 3: Cross multiply
    371,108.40x = 512,095.14 × 209,975.64
  4. Step 4: Simplify right side
    371,108.40x = 107,527,504,762.39
  5. Step 5: Solve for x
    x = 107,527,504,762.39/371,108.40
  6. Step 6: Final answer
    x = 289,746.89

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