Home / 303,973.21-419,469.96-168,000.13

Finding the Fourth Proportional to 303,973.21, 419,469.96 and 168,000.13

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Solution

The fourth proportional to 303,973.21, 419,469.96 and 168,000.13 is: 231,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,973.21 : 419,469.96 = 168,000.13 : x
  2. Step 2: Convert to fraction form
    303,973.21/419,469.96 = 168,000.13/x
  3. Step 3: Cross multiply
    303,973.21x = 419,469.96 × 168,000.13
  4. Step 4: Simplify right side
    303,973.21x = 70,471,007,811.09
  5. Step 5: Solve for x
    x = 70,471,007,811.09/303,973.21
  6. Step 6: Final answer
    x = 231,832.96

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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.