Finding the Fourth Proportional to 299,136.21, 448,330.12 and 149,418.29
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Solution
The fourth proportional to 299,136.21, 448,330.12 and 149,418.29 is: 223,940.52
Step by Step Solution
- Step 1: Write the proportion equation
299,136.21 : 448,330.12 = 149,418.29 : x - Step 2: Convert to fraction form
299,136.21/448,330.12 = 149,418.29/x - Step 3: Cross multiply
299,136.21x = 448,330.12 × 149,418.29 - Step 4: Simplify right side
299,136.21x = 66,988,718,951.80 - Step 5: Solve for x
x = 66,988,718,951.80/299,136.21 - Step 6: Final answer
x = 223,940.52
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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.