Finding the Fourth Proportional to 334,537.21, 461,668.21 and 189,342.99
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Solution
The fourth proportional to 334,537.21, 461,668.21 and 189,342.99 is: 261,297.21
Step by Step Solution
- Step 1: Write the proportion equation
334,537.21 : 461,668.21 = 189,342.99 : x - Step 2: Convert to fraction form
334,537.21/461,668.21 = 189,342.99/x - Step 3: Cross multiply
334,537.21x = 461,668.21 × 189,342.99 - Step 4: Simplify right side
334,537.21x = 87,413,640,083.11 - Step 5: Solve for x
x = 87,413,640,083.11/334,537.21 - Step 6: Final answer
x = 261,297.21
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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.