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Finding the Fourth Proportional to 279,450.40, 419,175.60 and 201,301.60

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Solution

The fourth proportional to 279,450.40, 419,175.60 and 201,301.60 is: 301,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,450.40 : 419,175.60 = 201,301.60 : x
  2. Step 2: Convert to fraction form
    279,450.40/419,175.60 = 201,301.60/x
  3. Step 3: Cross multiply
    279,450.40x = 419,175.60 × 201,301.60
  4. Step 4: Simplify right side
    279,450.40x = 84,380,718,960.96
  5. Step 5: Solve for x
    x = 84,380,718,960.96/279,450.40
  6. Step 6: Final answer
    x = 301,952.40

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1.5x scale

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.