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Finding the Fourth Proportional to 335,920.60, 503,880.90 and 99,265.60

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Solution

The fourth proportional to 335,920.60, 503,880.90 and 99,265.60 is: 148,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,920.60 : 503,880.90 = 99,265.60 : x
  2. Step 2: Convert to fraction form
    335,920.60/503,880.90 = 99,265.60/x
  3. Step 3: Cross multiply
    335,920.60x = 503,880.90 × 99,265.60
  4. Step 4: Simplify right side
    335,920.60x = 50,018,039,867.04
  5. Step 5: Solve for x
    x = 50,018,039,867.04/335,920.60
  6. Step 6: Final answer
    x = 148,898.40

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