Finding the Fourth Proportional to 197,097.75, 271,996.11 and 107,673.75
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Solution
The fourth proportional to 197,097.75, 271,996.11 and 107,673.75 is: 148,590.44
Step by Step Solution
- Step 1: Write the proportion equation
197,097.75 : 271,996.11 = 107,673.75 : x - Step 2: Convert to fraction form
197,097.75/271,996.11 = 107,673.75/x - Step 3: Cross multiply
197,097.75x = 271,996.11 × 107,673.75 - Step 4: Simplify right side
197,097.75x = 29,286,841,149.11 - Step 5: Solve for x
x = 29,286,841,149.11/197,097.75 - Step 6: Final answer
x = 148,590.44
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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.