Finding the Fourth Proportional to 215,712.24, 323,597.52 and 202,590.24
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Solution
The fourth proportional to 215,712.24, 323,597.52 and 202,590.24 is: 303,912.75
Step by Step Solution
- Step 1: Write the proportion equation
215,712.24 : 323,597.52 = 202,590.24 : x - Step 2: Convert to fraction form
215,712.24/323,597.52 = 202,590.24/x - Step 3: Cross multiply
215,712.24x = 323,597.52 × 202,590.24 - Step 4: Simplify right side
215,712.24x = 65,557,699,240.20 - Step 5: Solve for x
x = 65,557,699,240.20/215,712.24 - Step 6: Final answer
x = 303,912.75
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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.