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Finding the Fourth Proportional to 294,229.42, 405,932.17 and 192,313.73

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Solution

The fourth proportional to 294,229.42, 405,932.17 and 192,313.73 is: 265,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,229.42 : 405,932.17 = 192,313.73 : x
  2. Step 2: Convert to fraction form
    294,229.42/405,932.17 = 192,313.73/x
  3. Step 3: Cross multiply
    294,229.42x = 405,932.17 × 192,313.73
  4. Step 4: Simplify right side
    294,229.42x = 78,066,329,739.69
  5. Step 5: Solve for x
    x = 78,066,329,739.69/294,229.42
  6. Step 6: Final answer
    x = 265,324.69

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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.