Home / 669,396.23-1,004,126.63-220,107.15

Finding the Fourth Proportional to 669,396.23, 1,004,126.63 and 220,107.15

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Solution

The fourth proportional to 669,396.23, 1,004,126.63 and 220,107.15 is: 330,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,396.23 : 1,004,126.63 = 220,107.15 : x
  2. Step 2: Convert to fraction form
    669,396.23/1,004,126.63 = 220,107.15/x
  3. Step 3: Cross multiply
    669,396.23x = 1,004,126.63 × 220,107.15
  4. Step 4: Simplify right side
    669,396.23x = 221,015,449,667.87
  5. Step 5: Solve for x
    x = 221,015,449,667.87/669,396.23
  6. Step 6: Final answer
    x = 330,171.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.