Finding the Fourth Proportional to 366,486.08, 505,813.92 and 215,589.44
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Solution
The fourth proportional to 366,486.08, 505,813.92 and 215,589.44 is: 297,550.56
Step by Step Solution
- Step 1: Write the proportion equation
366,486.08 : 505,813.92 = 215,589.44 : x - Step 2: Convert to fraction form
366,486.08/505,813.92 = 215,589.44/x - Step 3: Cross multiply
366,486.08x = 505,813.92 × 215,589.44 - Step 4: Simplify right side
366,486.08x = 109,048,139,757.01 - Step 5: Solve for x
x = 109,048,139,757.01/366,486.08 - Step 6: Final answer
x = 297,550.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.