Home / 303,983.65-419,499.08-166,162.76

Finding the Fourth Proportional to 303,983.65, 419,499.08 and 166,162.76

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Solution

The fourth proportional to 303,983.65, 419,499.08 and 166,162.76 is: 229,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,983.65 : 419,499.08 = 166,162.76 : x
  2. Step 2: Convert to fraction form
    303,983.65/419,499.08 = 166,162.76/x
  3. Step 3: Cross multiply
    303,983.65x = 419,499.08 × 166,162.76
  4. Step 4: Simplify right side
    303,983.65x = 69,705,126,414.42
  5. Step 5: Solve for x
    x = 69,705,126,414.42/303,983.65
  6. Step 6: Final answer
    x = 229,305.51

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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.