Home / 303,429.45-418,632.78-196,062.75

Finding the Fourth Proportional to 303,429.45, 418,632.78 and 196,062.75

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Solution

The fourth proportional to 303,429.45, 418,632.78 and 196,062.75 is: 270,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,429.45 : 418,632.78 = 196,062.75 : x
  2. Step 2: Convert to fraction form
    303,429.45/418,632.78 = 196,062.75/x
  3. Step 3: Cross multiply
    303,429.45x = 418,632.78 × 196,062.75
  4. Step 4: Simplify right side
    303,429.45x = 82,078,294,086.95
  5. Step 5: Solve for x
    x = 82,078,294,086.95/303,429.45
  6. Step 6: Final answer
    x = 270,502.07

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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.