Finding the Fourth Proportional to 217,879.70, 304,409.50 and 217,879.70
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Solution
The fourth proportional to 217,879.70, 304,409.50 and 217,879.70 is: 304,409.50
Step by Step Solution
- Step 1: Write the proportion equation
217,879.70 : 304,409.50 = 217,879.70 : x - Step 2: Convert to fraction form
217,879.70/304,409.50 = 217,879.70/x - Step 3: Cross multiply
217,879.70x = 304,409.50 × 217,879.70 - Step 4: Simplify right side
217,879.70x = 66,324,650,537.15 - Step 5: Solve for x
x = 66,324,650,537.15/217,879.70 - Step 6: Final answer
x = 304,409.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.