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Finding the Fourth Proportional to 200,450.69, 276,622.04 and 109,809.93

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Solution

The fourth proportional to 200,450.69, 276,622.04 and 109,809.93 is: 151,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,450.69 : 276,622.04 = 109,809.93 : x
  2. Step 2: Convert to fraction form
    200,450.69/276,622.04 = 109,809.93/x
  3. Step 3: Cross multiply
    200,450.69x = 276,622.04 × 109,809.93
  4. Step 4: Simplify right side
    200,450.69x = 30,375,846,299.81
  5. Step 5: Solve for x
    x = 30,375,846,299.81/200,450.69
  6. Step 6: Final answer
    x = 151,537.75

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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.