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Finding the Fourth Proportional to 383,457.20, 575,135.40 and 117,244.40

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Solution

The fourth proportional to 383,457.20, 575,135.40 and 117,244.40 is: 175,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,457.20 : 575,135.40 = 117,244.40 : x
  2. Step 2: Convert to fraction form
    383,457.20/575,135.40 = 117,244.40/x
  3. Step 3: Cross multiply
    383,457.20x = 575,135.40 × 117,244.40
  4. Step 4: Simplify right side
    383,457.20x = 67,431,404,891.76
  5. Step 5: Solve for x
    x = 67,431,404,891.76/383,457.20
  6. Step 6: Final answer
    x = 175,851.19

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