Finding the Fourth Proportional to 112,211.16, 168,198.12 and 48,975.84
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Solution
The fourth proportional to 112,211.16, 168,198.12 and 48,975.84 is: 73,411.99
Step by Step Solution
- Step 1: Write the proportion equation
112,211.16 : 168,198.12 = 48,975.84 : x - Step 2: Convert to fraction form
112,211.16/168,198.12 = 48,975.84/x - Step 3: Cross multiply
112,211.16x = 168,198.12 × 48,975.84 - Step 4: Simplify right side
112,211.16x = 8,237,644,213.42 - Step 5: Solve for x
x = 8,237,644,213.42/112,211.16 - Step 6: Final answer
x = 73,411.99
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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.