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Finding the Fourth Proportional to 355,338.40, 533,007.60 and 144,861.60

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Solution

The fourth proportional to 355,338.40, 533,007.60 and 144,861.60 is: 217,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,338.40 : 533,007.60 = 144,861.60 : x
  2. Step 2: Convert to fraction form
    355,338.40/533,007.60 = 144,861.60/x
  3. Step 3: Cross multiply
    355,338.40x = 533,007.60 × 144,861.60
  4. Step 4: Simplify right side
    355,338.40x = 77,212,333,748.16
  5. Step 5: Solve for x
    x = 77,212,333,748.16/355,338.40
  6. Step 6: Final answer
    x = 217,292.40

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