Finding the Fourth Proportional to 664,245.40, 996,125.10 and 215,084.20
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Solution
The fourth proportional to 664,245.40, 996,125.10 and 215,084.20 is: 322,547.62
Step by Step Solution
- Step 1: Write the proportion equation
664,245.40 : 996,125.10 = 215,084.20 : x - Step 2: Convert to fraction form
664,245.40/996,125.10 = 215,084.20/x - Step 3: Cross multiply
664,245.40x = 996,125.10 × 215,084.20 - Step 4: Simplify right side
664,245.40x = 214,250,770,233.42 - Step 5: Solve for x
x = 214,250,770,233.42/664,245.40 - Step 6: Final answer
x = 322,547.62
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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.