Finding the Fourth Proportional to 299,611.26, 449,418.12 and 74,971.08
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Solution
The fourth proportional to 299,611.26, 449,418.12 and 74,971.08 is: 112,456.93
Step by Step Solution
- Step 1: Write the proportion equation
299,611.26 : 449,418.12 = 74,971.08 : x - Step 2: Convert to fraction form
299,611.26/449,418.12 = 74,971.08/x - Step 3: Cross multiply
299,611.26x = 449,418.12 × 74,971.08 - Step 4: Simplify right side
299,611.26x = 33,693,361,827.97 - Step 5: Solve for x
x = 33,693,361,827.97/299,611.26 - Step 6: Final answer
x = 112,456.93
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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.