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Finding the Fourth Proportional to 354,054.40, 531,081.60 and 167,430.40

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Solution

The fourth proportional to 354,054.40, 531,081.60 and 167,430.40 is: 251,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,054.40 : 531,081.60 = 167,430.40 : x
  2. Step 2: Convert to fraction form
    354,054.40/531,081.60 = 167,430.40/x
  3. Step 3: Cross multiply
    354,054.40x = 531,081.60 × 167,430.40
  4. Step 4: Simplify right side
    354,054.40x = 88,919,204,720.64
  5. Step 5: Solve for x
    x = 88,919,204,720.64/354,054.40
  6. Step 6: Final answer
    x = 251,145.60

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