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Finding the Fourth Proportional to 448,129.60, 672,194.40 and 237,659.20

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Solution

The fourth proportional to 448,129.60, 672,194.40 and 237,659.20 is: 356,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,129.60 : 672,194.40 = 237,659.20 : x
  2. Step 2: Convert to fraction form
    448,129.60/672,194.40 = 237,659.20/x
  3. Step 3: Cross multiply
    448,129.60x = 672,194.40 × 237,659.20
  4. Step 4: Simplify right side
    448,129.60x = 159,753,183,348.48
  5. Step 5: Solve for x
    x = 159,753,183,348.48/448,129.60
  6. Step 6: Final answer
    x = 356,488.80

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