Finding the Fourth Proportional to 693,664.12, 1,040,496.06 and 195,028.12
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Solution
The fourth proportional to 693,664.12, 1,040,496.06 and 195,028.12 is: 292,542.15
Step by Step Solution
- Step 1: Write the proportion equation
693,664.12 : 1,040,496.06 = 195,028.12 : x - Step 2: Convert to fraction form
693,664.12/1,040,496.06 = 195,028.12/x - Step 3: Cross multiply
693,664.12x = 1,040,496.06 × 195,028.12 - Step 4: Simplify right side
693,664.12x = 202,925,990,449.21 - Step 5: Solve for x
x = 202,925,990,449.21/693,664.12 - Step 6: Final answer
x = 292,542.15
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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.