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Finding the Fourth Proportional to 375,074.55, 517,590 and 213,981.75

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Solution

The fourth proportional to 375,074.55, 517,590 and 213,981.75 is: 295,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,074.55 : 517,590 = 213,981.75 : x
  2. Step 2: Convert to fraction form
    375,074.55/517,590 = 213,981.75/x
  3. Step 3: Cross multiply
    375,074.55x = 517,590 × 213,981.75
  4. Step 4: Simplify right side
    375,074.55x = 110,754,813,982.50
  5. Step 5: Solve for x
    x = 110,754,813,982.50/375,074.55
  6. Step 6: Final answer
    x = 295,287.47

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