Finding the Fourth Proportional to 356,628.62, 492,197.92 and 220,706.37
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Solution
The fourth proportional to 356,628.62, 492,197.92 and 220,706.37 is: 304,605.99
Step by Step Solution
- Step 1: Write the proportion equation
356,628.62 : 492,197.92 = 220,706.37 : x - Step 2: Convert to fraction form
356,628.62/492,197.92 = 220,706.37/x - Step 3: Cross multiply
356,628.62x = 492,197.92 × 220,706.37 - Step 4: Simplify right side
356,628.62x = 108,631,215,692.98 - Step 5: Solve for x
x = 108,631,215,692.98/356,628.62 - Step 6: Final answer
x = 304,605.99
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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.