Finding the Fourth Proportional to 136,397.62, 204,626.96 and 41,636.23
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Solution
The fourth proportional to 136,397.62, 204,626.96 and 41,636.23 is: 62,463.66
Step by Step Solution
- Step 1: Write the proportion equation
136,397.62 : 204,626.96 = 41,636.23 : x - Step 2: Convert to fraction form
136,397.62/204,626.96 = 41,636.23/x - Step 3: Cross multiply
136,397.62x = 204,626.96 × 41,636.23 - Step 4: Simplify right side
136,397.62x = 8,519,894,607.15 - Step 5: Solve for x
x = 8,519,894,607.15/136,397.62 - Step 6: Final answer
x = 62,463.66
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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.