Finding the Fourth Proportional to 664,120.18, 996,211.41 and 214,876.23
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Solution
The fourth proportional to 664,120.18, 996,211.41 and 214,876.23 is: 322,324.41
Step by Step Solution
- Step 1: Write the proportion equation
664,120.18 : 996,211.41 = 214,876.23 : x - Step 2: Convert to fraction form
664,120.18/996,211.41 = 214,876.23/x - Step 3: Cross multiply
664,120.18x = 996,211.41 × 214,876.23 - Step 4: Simplify right side
664,120.18x = 214,062,147,522.21 - Step 5: Solve for x
x = 214,062,147,522.21/664,120.18 - Step 6: Final answer
x = 322,324.41
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1.5x scale
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.