Finding the Fourth Proportional to 304,635.05, 420,409.50 and 168,668.99
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Solution
The fourth proportional to 304,635.05, 420,409.50 and 168,668.99 is: 232,770.47
Step by Step Solution
- Step 1: Write the proportion equation
304,635.05 : 420,409.50 = 168,668.99 : x - Step 2: Convert to fraction form
304,635.05/420,409.50 = 168,668.99/x - Step 3: Cross multiply
304,635.05x = 420,409.50 × 168,668.99 - Step 4: Simplify right side
304,635.05x = 70,910,042,806.01 - Step 5: Solve for x
x = 70,910,042,806.01/304,635.05 - Step 6: Final answer
x = 232,770.47
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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.