Finding the Fourth Proportional to 197,975.23, 273,185.37 and 121,497.55
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Solution
The fourth proportional to 197,975.23, 273,185.37 and 121,497.55 is: 167,654.07
Step by Step Solution
- Step 1: Write the proportion equation
197,975.23 : 273,185.37 = 121,497.55 : x - Step 2: Convert to fraction form
197,975.23/273,185.37 = 121,497.55/x - Step 3: Cross multiply
197,975.23x = 273,185.37 × 121,497.55 - Step 4: Simplify right side
197,975.23x = 33,191,351,822.06 - Step 5: Solve for x
x = 33,191,351,822.06/197,975.23 - Step 6: Final answer
x = 167,654.07
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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.