Finding the Fourth Proportional to 137,615.36, 206,397.12 and 53,375.36
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Solution
The fourth proportional to 137,615.36, 206,397.12 and 53,375.36 is: 80,052.99
Step by Step Solution
- Step 1: Write the proportion equation
137,615.36 : 206,397.12 = 53,375.36 : x - Step 2: Convert to fraction form
137,615.36/206,397.12 = 53,375.36/x - Step 3: Cross multiply
137,615.36x = 206,397.12 × 53,375.36 - Step 4: Simplify right side
137,615.36x = 11,016,520,582.96 - Step 5: Solve for x
x = 11,016,520,582.96/137,615.36 - Step 6: Final answer
x = 80,052.99
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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.