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Finding the Fourth Proportional to 291,426.48, 402,206.84 and 164,126.96

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Solution

The fourth proportional to 291,426.48, 402,206.84 and 164,126.96 is: 226,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,426.48 : 402,206.84 = 164,126.96 : x
  2. Step 2: Convert to fraction form
    291,426.48/402,206.84 = 164,126.96/x
  3. Step 3: Cross multiply
    291,426.48x = 402,206.84 × 164,126.96
  4. Step 4: Simplify right side
    291,426.48x = 66,012,985,940.41
  5. Step 5: Solve for x
    x = 66,012,985,940.41/291,426.48
  6. Step 6: Final answer
    x = 226,516.77

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