Finding the Fourth Proportional to 68,633.63, 102,968.19 and 40,194.62
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Solution
The fourth proportional to 68,633.63, 102,968.19 and 40,194.62 is: 60,302.32
Step by Step Solution
- Step 1: Write the proportion equation
68,633.63 : 102,968.19 = 40,194.62 : x - Step 2: Convert to fraction form
68,633.63/102,968.19 = 40,194.62/x - Step 3: Cross multiply
68,633.63x = 102,968.19 × 40,194.62 - Step 4: Simplify right side
68,633.63x = 4,138,767,269.14 - Step 5: Solve for x
x = 4,138,767,269.14/68,633.63 - Step 6: Final answer
x = 60,302.32
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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.