Finding the Fourth Proportional to 197,197.57, 272,188.47 and 116,653.09
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Solution
The fourth proportional to 197,197.57, 272,188.47 and 116,653.09 is: 161,014.29
Step by Step Solution
- Step 1: Write the proportion equation
197,197.57 : 272,188.47 = 116,653.09 : x - Step 2: Convert to fraction form
197,197.57/272,188.47 = 116,653.09/x - Step 3: Cross multiply
197,197.57x = 272,188.47 × 116,653.09 - Step 4: Simplify right side
197,197.57x = 31,751,626,087.87 - Step 5: Solve for x
x = 31,751,626,087.87/197,197.57 - Step 6: Final answer
x = 161,014.29
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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.