Home / 303,973.20-419,469.96-168,000.12

Finding the Fourth Proportional to 303,973.20, 419,469.96 and 168,000.12

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Solution

The fourth proportional to 303,973.20, 419,469.96 and 168,000.12 is: 231,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,973.20 : 419,469.96 = 168,000.12 : x
  2. Step 2: Convert to fraction form
    303,973.20/419,469.96 = 168,000.12/x
  3. Step 3: Cross multiply
    303,973.20x = 419,469.96 × 168,000.12
  4. Step 4: Simplify right side
    303,973.20x = 70,471,003,616.40
  5. Step 5: Solve for x
    x = 70,471,003,616.40/303,973.20
  6. Step 6: Final answer
    x = 231,832.95

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1.5x scale

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.