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Finding the Fourth Proportional to 299,151.60, 448,727.40 and 121,785.90

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Solution

The fourth proportional to 299,151.60, 448,727.40 and 121,785.90 is: 182,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,151.60 : 448,727.40 = 121,785.90 : x
  2. Step 2: Convert to fraction form
    299,151.60/448,727.40 = 121,785.90/x
  3. Step 3: Cross multiply
    299,151.60x = 448,727.40 × 121,785.90
  4. Step 4: Simplify right side
    299,151.60x = 54,648,670,263.66
  5. Step 5: Solve for x
    x = 54,648,670,263.66/299,151.60
  6. Step 6: Final answer
    x = 182,678.85

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