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Finding the Fourth Proportional to 389,342.70, 584,123.40 and 164,810.70

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Solution

The fourth proportional to 389,342.70, 584,123.40 and 164,810.70 is: 247,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,342.70 : 584,123.40 = 164,810.70 : x
  2. Step 2: Convert to fraction form
    389,342.70/584,123.40 = 164,810.70/x
  3. Step 3: Cross multiply
    389,342.70x = 584,123.40 × 164,810.70
  4. Step 4: Simplify right side
    389,342.70x = 96,269,786,440.38
  5. Step 5: Solve for x
    x = 96,269,786,440.38/389,342.70
  6. Step 6: Final answer
    x = 247,262.34

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