Finding the Fourth Proportional to 197,677.11, 272,794.94 and 107,034.19
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Solution
The fourth proportional to 197,677.11, 272,794.94 and 107,034.19 is: 147,707.47
Step by Step Solution
- Step 1: Write the proportion equation
197,677.11 : 272,794.94 = 107,034.19 : x - Step 2: Convert to fraction form
197,677.11/272,794.94 = 107,034.19/x - Step 3: Cross multiply
197,677.11x = 272,794.94 × 107,034.19 - Step 4: Simplify right side
197,677.11x = 29,198,385,439.00 - Step 5: Solve for x
x = 29,198,385,439.00/197,677.11 - Step 6: Final answer
x = 147,707.47
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1.5x scale
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.