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Finding the Fourth Proportional to 321,856.20, 483,014.70 and 181,465.80

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Solution

The fourth proportional to 321,856.20, 483,014.70 and 181,465.80 is: 272,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,856.20 : 483,014.70 = 181,465.80 : x
  2. Step 2: Convert to fraction form
    321,856.20/483,014.70 = 181,465.80/x
  3. Step 3: Cross multiply
    321,856.20x = 483,014.70 × 181,465.80
  4. Step 4: Simplify right side
    321,856.20x = 87,650,648,947.26
  5. Step 5: Solve for x
    x = 87,650,648,947.26/321,856.20
  6. Step 6: Final answer
    x = 272,328.60

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