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Finding the Fourth Proportional to 354,867.20, 532,300.80 and 186,322.40

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Solution

The fourth proportional to 354,867.20, 532,300.80 and 186,322.40 is: 279,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,867.20 : 532,300.80 = 186,322.40 : x
  2. Step 2: Convert to fraction form
    354,867.20/532,300.80 = 186,322.40/x
  3. Step 3: Cross multiply
    354,867.20x = 532,300.80 × 186,322.40
  4. Step 4: Simplify right side
    354,867.20x = 99,179,562,577.92
  5. Step 5: Solve for x
    x = 99,179,562,577.92/354,867.20
  6. Step 6: Final answer
    x = 279,483.60

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