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Finding the Fourth Proportional to 217,900.80, 300,738.84 and 181,544.67

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Solution

The fourth proportional to 217,900.80, 300,738.84 and 181,544.67 is: 250,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,900.80 : 300,738.84 = 181,544.67 : x
  2. Step 2: Convert to fraction form
    217,900.80/300,738.84 = 181,544.67/x
  3. Step 3: Cross multiply
    217,900.80x = 300,738.84 × 181,544.67
  4. Step 4: Simplify right side
    217,900.80x = 54,597,533,463.98
  5. Step 5: Solve for x
    x = 54,597,533,463.98/217,900.80
  6. Step 6: Final answer
    x = 250,561.42

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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.