Finding the Fourth Proportional to 345,137.85, 476,197.25 and 201,933.09
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Solution
The fourth proportional to 345,137.85, 476,197.25 and 201,933.09 is: 278,613.26
Step by Step Solution
- Step 1: Write the proportion equation
345,137.85 : 476,197.25 = 201,933.09 : x - Step 2: Convert to fraction form
345,137.85/476,197.25 = 201,933.09/x - Step 3: Cross multiply
345,137.85x = 476,197.25 × 201,933.09 - Step 4: Simplify right side
345,137.85x = 96,159,981,132.34 - Step 5: Solve for x
x = 96,159,981,132.34/345,137.85 - Step 6: Final answer
x = 278,613.26
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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.