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Finding the Fourth Proportional to 342,596.67, 472,471.02 and 294,183.38

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Solution

The fourth proportional to 342,596.67, 472,471.02 and 294,183.38 is: 405,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,596.67 : 472,471.02 = 294,183.38 : x
  2. Step 2: Convert to fraction form
    342,596.67/472,471.02 = 294,183.38/x
  3. Step 3: Cross multiply
    342,596.67x = 472,471.02 × 294,183.38
  4. Step 4: Simplify right side
    342,596.67x = 138,993,119,253.29
  5. Step 5: Solve for x
    x = 138,993,119,253.29/342,596.67
  6. Step 6: Final answer
    x = 405,704.82

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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.