Finding the Fourth Proportional to 237,402.09, 327,613.82 and 128,506.50
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Solution
The fourth proportional to 237,402.09, 327,613.82 and 128,506.50 is: 177,338.39
Step by Step Solution
- Step 1: Write the proportion equation
237,402.09 : 327,613.82 = 128,506.50 : x - Step 2: Convert to fraction form
237,402.09/327,613.82 = 128,506.50/x - Step 3: Cross multiply
237,402.09x = 327,613.82 × 128,506.50 - Step 4: Simplify right side
237,402.09x = 42,100,504,717.30 - Step 5: Solve for x
x = 42,100,504,717.30/237,402.09 - Step 6: Final answer
x = 177,338.39
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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.