Finding the Fourth Proportional to 264,845.21, 365,493.59 and 143,994.62
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Solution
The fourth proportional to 264,845.21, 365,493.59 and 143,994.62 is: 198,716.50
Step by Step Solution
- Step 1: Write the proportion equation
264,845.21 : 365,493.59 = 143,994.62 : x - Step 2: Convert to fraction form
264,845.21/365,493.59 = 143,994.62/x - Step 3: Cross multiply
264,845.21x = 365,493.59 × 143,994.62 - Step 4: Simplify right side
264,845.21x = 52,629,111,878.21 - Step 5: Solve for x
x = 52,629,111,878.21/264,845.21 - Step 6: Final answer
x = 198,716.50
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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.