Finding the Fourth Proportional to 299,679.36, 449,517.40 and 122,185.68
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Solution
The fourth proportional to 299,679.36, 449,517.40 and 122,185.68 is: 183,277.85
Step by Step Solution
- Step 1: Write the proportion equation
299,679.36 : 449,517.40 = 122,185.68 : x - Step 2: Convert to fraction form
299,679.36/449,517.40 = 122,185.68/x - Step 3: Cross multiply
299,679.36x = 449,517.40 × 122,185.68 - Step 4: Simplify right side
299,679.36x = 54,924,589,190.83 - Step 5: Solve for x
x = 54,924,589,190.83/299,679.36 - Step 6: Final answer
x = 183,277.85
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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.