Finding the Fourth Proportional to 197,666.93, 272,780.53 and 107,022.97
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Solution
The fourth proportional to 197,666.93, 272,780.53 and 107,022.97 is: 147,691.79
Step by Step Solution
- Step 1: Write the proportion equation
197,666.93 : 272,780.53 = 107,022.97 : x - Step 2: Convert to fraction form
197,666.93/272,780.53 = 107,022.97/x - Step 3: Cross multiply
197,666.93x = 272,780.53 × 107,022.97 - Step 4: Simplify right side
197,666.93x = 29,193,782,552.19 - Step 5: Solve for x
x = 29,193,782,552.19/197,666.93 - Step 6: Final answer
x = 147,691.79
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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.