Finding the Fourth Proportional to 155,043.72, 232,578.34 and 66,297.99
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Solution
The fourth proportional to 155,043.72, 232,578.34 and 66,297.99 is: 99,452.45
Step by Step Solution
- Step 1: Write the proportion equation
155,043.72 : 232,578.34 = 66,297.99 : x - Step 2: Convert to fraction form
155,043.72/232,578.34 = 66,297.99/x - Step 3: Cross multiply
155,043.72x = 232,578.34 × 66,297.99 - Step 4: Simplify right side
155,043.72x = 15,419,477,165.96 - Step 5: Solve for x
x = 15,419,477,165.96/155,043.72 - Step 6: Final answer
x = 99,452.45
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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.