Finding the Fourth Proportional to 355,552.53, 490,716.80 and 202,590.10
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Solution
The fourth proportional to 355,552.53, 490,716.80 and 202,590.10 is: 279,605.28
Step by Step Solution
- Step 1: Write the proportion equation
355,552.53 : 490,716.80 = 202,590.10 : x - Step 2: Convert to fraction form
355,552.53/490,716.80 = 202,590.10/x - Step 3: Cross multiply
355,552.53x = 490,716.80 × 202,590.10 - Step 4: Simplify right side
355,552.53x = 99,414,365,583.68 - Step 5: Solve for x
x = 99,414,365,583.68/355,552.53 - Step 6: Final answer
x = 279,605.28
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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.