Finding the Fourth Proportional to 220,051.77, 303,678.68 and 124,556.42
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Solution
The fourth proportional to 220,051.77, 303,678.68 and 124,556.42 is: 171,891.95
Step by Step Solution
- Step 1: Write the proportion equation
220,051.77 : 303,678.68 = 124,556.42 : x - Step 2: Convert to fraction form
220,051.77/303,678.68 = 124,556.42/x - Step 3: Cross multiply
220,051.77x = 303,678.68 × 124,556.42 - Step 4: Simplify right side
220,051.77x = 37,825,127,069.95 - Step 5: Solve for x
x = 37,825,127,069.95/220,051.77 - Step 6: Final answer
x = 171,891.95
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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.