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Finding the Fourth Proportional to 355,486.41, 533,171.79 and 118,828.71

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Solution

The fourth proportional to 355,486.41, 533,171.79 and 118,828.71 is: 178,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,486.41 : 533,171.79 = 118,828.71 : x
  2. Step 2: Convert to fraction form
    355,486.41/533,171.79 = 118,828.71/x
  3. Step 3: Cross multiply
    355,486.41x = 533,171.79 × 118,828.71
  4. Step 4: Simplify right side
    355,486.41x = 63,356,116,014.09
  5. Step 5: Solve for x
    x = 63,356,116,014.09/355,486.41
  6. Step 6: Final answer
    x = 178,223.74

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