Finding the Fourth Proportional to 685,195.67, 1,027,891.96 and 211,917.94
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Solution
The fourth proportional to 685,195.67, 1,027,891.96 and 211,917.94 is: 317,907.35
Step by Step Solution
- Step 1: Write the proportion equation
685,195.67 : 1,027,891.96 = 211,917.94 : x - Step 2: Convert to fraction form
685,195.67/1,027,891.96 = 211,917.94/x - Step 3: Cross multiply
685,195.67x = 1,027,891.96 × 211,917.94 - Step 4: Simplify right side
685,195.67x = 217,828,743,606.24 - Step 5: Solve for x
x = 217,828,743,606.24/685,195.67 - Step 6: Final answer
x = 317,907.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.