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Finding the Fourth Proportional to 303,973.05, 419,504.52 and 168,004.07

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Solution

The fourth proportional to 303,973.05, 419,504.52 and 168,004.07 is: 231,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,973.05 : 419,504.52 = 168,004.07 : x
  2. Step 2: Convert to fraction form
    303,973.05/419,504.52 = 168,004.07/x
  3. Step 3: Cross multiply
    303,973.05x = 419,504.52 × 168,004.07
  4. Step 4: Simplify right side
    303,973.05x = 70,478,466,743.40
  5. Step 5: Solve for x
    x = 70,478,466,743.40/303,973.05
  6. Step 6: Final answer
    x = 231,857.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.