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Finding the Fourth Proportional to 453,883.20, 680,824.80 and 121,459.20

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Solution

The fourth proportional to 453,883.20, 680,824.80 and 121,459.20 is: 182,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,883.20 : 680,824.80 = 121,459.20 : x
  2. Step 2: Convert to fraction form
    453,883.20/680,824.80 = 121,459.20/x
  3. Step 3: Cross multiply
    453,883.20x = 680,824.80 × 121,459.20
  4. Step 4: Simplify right side
    453,883.20x = 82,692,435,548.16
  5. Step 5: Solve for x
    x = 82,692,435,548.16/453,883.20
  6. Step 6: Final answer
    x = 182,188.80

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