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Finding the Fourth Proportional to 325,243.64, 448,850.04 and 201,091.64

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Solution

The fourth proportional to 325,243.64, 448,850.04 and 201,091.64 is: 277,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,243.64 : 448,850.04 = 201,091.64 : x
  2. Step 2: Convert to fraction form
    325,243.64/448,850.04 = 201,091.64/x
  3. Step 3: Cross multiply
    325,243.64x = 448,850.04 × 201,091.64
  4. Step 4: Simplify right side
    325,243.64x = 90,259,990,657.67
  5. Step 5: Solve for x
    x = 90,259,990,657.67/325,243.64
  6. Step 6: Final answer
    x = 277,515.01

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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.