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Finding the Fourth Proportional to 289,375.20, 433,479.60 and 164,570.40

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Solution

The fourth proportional to 289,375.20, 433,479.60 and 164,570.40 is: 246,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,375.20 : 433,479.60 = 164,570.40 : x
  2. Step 2: Convert to fraction form
    289,375.20/433,479.60 = 164,570.40/x
  3. Step 3: Cross multiply
    289,375.20x = 433,479.60 × 164,570.40
  4. Step 4: Simplify right side
    289,375.20x = 71,337,911,163.84
  5. Step 5: Solve for x
    x = 71,337,911,163.84/289,375.20
  6. Step 6: Final answer
    x = 246,523.93

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