Finding the Fourth Proportional to 144,267.56, 199,082.84 and 80,603.99
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Solution
The fourth proportional to 144,267.56, 199,082.84 and 80,603.99 is: 111,229.93
Step by Step Solution
- Step 1: Write the proportion equation
144,267.56 : 199,082.84 = 80,603.99 : x - Step 2: Convert to fraction form
144,267.56/199,082.84 = 80,603.99/x - Step 3: Cross multiply
144,267.56x = 199,082.84 × 80,603.99 - Step 4: Simplify right side
144,267.56x = 16,046,870,841.51 - Step 5: Solve for x
x = 16,046,870,841.51/144,267.56 - Step 6: Final answer
x = 111,229.93
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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.