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Finding the Fourth Proportional to 424,140.40, 636,210.60 and 235,183.60

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Solution

The fourth proportional to 424,140.40, 636,210.60 and 235,183.60 is: 352,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,140.40 : 636,210.60 = 235,183.60 : x
  2. Step 2: Convert to fraction form
    424,140.40/636,210.60 = 235,183.60/x
  3. Step 3: Cross multiply
    424,140.40x = 636,210.60 × 235,183.60
  4. Step 4: Simplify right side
    424,140.40x = 149,626,299,266.16
  5. Step 5: Solve for x
    x = 149,626,299,266.16/424,140.40
  6. Step 6: Final answer
    x = 352,775.40

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