Finding the Fourth Proportional to 305,553.44, 421,668.24 and 169,596.12
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Solution
The fourth proportional to 305,553.44, 421,668.24 and 169,596.12 is: 234,045.14
Step by Step Solution
- Step 1: Write the proportion equation
305,553.44 : 421,668.24 = 169,596.12 : x - Step 2: Convert to fraction form
305,553.44/421,668.24 = 169,596.12/x - Step 3: Cross multiply
305,553.44x = 421,668.24 × 169,596.12 - Step 4: Simplify right side
305,553.44x = 71,513,297,431.23 - Step 5: Solve for x
x = 71,513,297,431.23/305,553.44 - Step 6: Final answer
x = 234,045.14
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1.5x scale
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.