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Finding the Fourth Proportional to 446,858.40, 670,222.80 and 131,282.40

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Solution

The fourth proportional to 446,858.40, 670,222.80 and 131,282.40 is: 196,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,858.40 : 670,222.80 = 131,282.40 : x
  2. Step 2: Convert to fraction form
    446,858.40/670,222.80 = 131,282.40/x
  3. Step 3: Cross multiply
    446,858.40x = 670,222.80 × 131,282.40
  4. Step 4: Simplify right side
    446,858.40x = 87,988,457,718.72
  5. Step 5: Solve for x
    x = 87,988,457,718.72/446,858.40
  6. Step 6: Final answer
    x = 196,904.56

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