Finding the Fourth Proportional to 290,450.29, 435,845.96 and 121,957.66
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Solution
The fourth proportional to 290,450.29, 435,845.96 and 121,957.66 is: 183,008.09
Step by Step Solution
- Step 1: Write the proportion equation
290,450.29 : 435,845.96 = 121,957.66 : x - Step 2: Convert to fraction form
290,450.29/435,845.96 = 121,957.66/x - Step 3: Cross multiply
290,450.29x = 435,845.96 × 121,957.66 - Step 4: Simplify right side
290,450.29x = 53,154,753,402.05 - Step 5: Solve for x
x = 53,154,753,402.05/290,450.29 - Step 6: Final answer
x = 183,008.09
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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.