Finding the Fourth Proportional to 197,837.18, 296,636.16 and 77,750.42
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Solution
The fourth proportional to 197,837.18, 296,636.16 and 77,750.42 is: 116,578.62
Step by Step Solution
- Step 1: Write the proportion equation
197,837.18 : 296,636.16 = 77,750.42 : x - Step 2: Convert to fraction form
197,837.18/296,636.16 = 77,750.42/x - Step 3: Cross multiply
197,837.18x = 296,636.16 × 77,750.42 - Step 4: Simplify right side
197,837.18x = 23,063,586,027.19 - Step 5: Solve for x
x = 23,063,586,027.19/197,837.18 - Step 6: Final answer
x = 116,578.62
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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.