Finding the Fourth Proportional to 197,790.70, 272,951.99 and 107,146.66
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Solution
The fourth proportional to 197,790.70, 272,951.99 and 107,146.66 is: 147,862.84
Step by Step Solution
- Step 1: Write the proportion equation
197,790.70 : 272,951.99 = 107,146.66 : x - Step 2: Convert to fraction form
197,790.70/272,951.99 = 107,146.66/x - Step 3: Cross multiply
197,790.70x = 272,951.99 × 107,146.66 - Step 4: Simplify right side
197,790.70x = 29,245,893,654.34 - Step 5: Solve for x
x = 29,245,893,654.34/197,790.70 - Step 6: Final answer
x = 147,862.84
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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.