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Finding the Fourth Proportional to 354,312.40, 531,468.60 and 167,688.40

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Solution

The fourth proportional to 354,312.40, 531,468.60 and 167,688.40 is: 251,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312.40 : 531,468.60 = 167,688.40 : x
  2. Step 2: Convert to fraction form
    354,312.40/531,468.60 = 167,688.40/x
  3. Step 3: Cross multiply
    354,312.40x = 531,468.60 × 167,688.40
  4. Step 4: Simplify right side
    354,312.40x = 89,121,119,184.24
  5. Step 5: Solve for x
    x = 89,121,119,184.24/354,312.40
  6. Step 6: Final answer
    x = 251,532.60

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