Finding the Fourth Proportional to 315,277.24, 435,556.62 and 206,639.44
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Solution
The fourth proportional to 315,277.24, 435,556.62 and 206,639.44 is: 285,473.12
Step by Step Solution
- Step 1: Write the proportion equation
315,277.24 : 435,556.62 = 206,639.44 : x - Step 2: Convert to fraction form
315,277.24/435,556.62 = 206,639.44/x - Step 3: Cross multiply
315,277.24x = 435,556.62 × 206,639.44 - Step 4: Simplify right side
315,277.24x = 90,003,176,045.09 - Step 5: Solve for x
x = 90,003,176,045.09/315,277.24 - Step 6: Final answer
x = 285,473.12
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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.