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Finding the Fourth Proportional to 342,183.71, 472,216.56 and 189,232.19

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Solution

The fourth proportional to 342,183.71, 472,216.56 and 189,232.19 is: 261,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,183.71 : 472,216.56 = 189,232.19 : x
  2. Step 2: Convert to fraction form
    342,183.71/472,216.56 = 189,232.19/x
  3. Step 3: Cross multiply
    342,183.71x = 472,216.56 × 189,232.19
  4. Step 4: Simplify right side
    342,183.71x = 89,358,571,441.98
  5. Step 5: Solve for x
    x = 89,358,571,441.98/342,183.71
  6. Step 6: Final answer
    x = 261,142.10

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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.