Finding the Fourth Proportional to 208,769.73, 288,101.27 and 113,276.19
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Solution
The fourth proportional to 208,769.73, 288,101.27 and 113,276.19 is: 156,320.62
Step by Step Solution
- Step 1: Write the proportion equation
208,769.73 : 288,101.27 = 113,276.19 : x - Step 2: Convert to fraction form
208,769.73/288,101.27 = 113,276.19/x - Step 3: Cross multiply
208,769.73x = 288,101.27 × 113,276.19 - Step 4: Simplify right side
208,769.73x = 32,635,013,633.38 - Step 5: Solve for x
x = 32,635,013,633.38/208,769.73 - Step 6: Final answer
x = 156,320.62
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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.