Finding the Fourth Proportional to 252,613.17, 378,920.21 and 168,537.60
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Solution
The fourth proportional to 252,613.17, 378,920.21 and 168,537.60 is: 252,806.70
Step by Step Solution
- Step 1: Write the proportion equation
252,613.17 : 378,920.21 = 168,537.60 : x - Step 2: Convert to fraction form
252,613.17/378,920.21 = 168,537.60/x - Step 3: Cross multiply
252,613.17x = 378,920.21 × 168,537.60 - Step 4: Simplify right side
252,613.17x = 63,862,302,784.90 - Step 5: Solve for x
x = 63,862,302,784.90/252,613.17 - Step 6: Final answer
x = 252,806.70
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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.