Finding the Fourth Proportional to 274,274.30, 411,450.81 and 84,751.22
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Solution
The fourth proportional to 274,274.30, 411,450.81 and 84,751.22 is: 127,138.99
Step by Step Solution
- Step 1: Write the proportion equation
274,274.30 : 411,450.81 = 84,751.22 : x - Step 2: Convert to fraction form
274,274.30/411,450.81 = 84,751.22/x - Step 3: Cross multiply
274,274.30x = 411,450.81 × 84,751.22 - Step 4: Simplify right side
274,274.30x = 34,870,958,117.49 - Step 5: Solve for x
x = 34,870,958,117.49/274,274.30 - Step 6: Final answer
x = 127,138.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.