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Finding the Fourth Proportional to 434,549.30, 651,629.55 and 168,221.30

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Solution

The fourth proportional to 434,549.30, 651,629.55 and 168,221.30 is: 252,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,549.30 : 651,629.55 = 168,221.30 : x
  2. Step 2: Convert to fraction form
    434,549.30/651,629.55 = 168,221.30/x
  3. Step 3: Cross multiply
    434,549.30x = 651,629.55 × 168,221.30
  4. Step 4: Simplify right side
    434,549.30x = 109,617,970,019.42
  5. Step 5: Solve for x
    x = 109,617,970,019.42/434,549.30
  6. Step 6: Final answer
    x = 252,256.69

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