Finding the Fourth Proportional to 299,891.58, 449,845.29 and 131,324.82
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Solution
The fourth proportional to 299,891.58, 449,845.29 and 131,324.82 is: 196,990.70
Step by Step Solution
- Step 1: Write the proportion equation
299,891.58 : 449,845.29 = 131,324.82 : x - Step 2: Convert to fraction form
299,891.58/449,845.29 = 131,324.82/x - Step 3: Cross multiply
299,891.58x = 449,845.29 × 131,324.82 - Step 4: Simplify right side
299,891.58x = 59,075,851,737.10 - Step 5: Solve for x
x = 59,075,851,737.10/299,891.58 - Step 6: Final answer
x = 196,990.70
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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.