Finding the Fourth Proportional to 263,449.23, 363,568.74 and 161,454.99
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Solution
The fourth proportional to 263,449.23, 363,568.74 and 161,454.99 is: 222,813.28
Step by Step Solution
- Step 1: Write the proportion equation
263,449.23 : 363,568.74 = 161,454.99 : x - Step 2: Convert to fraction form
263,449.23/363,568.74 = 161,454.99/x - Step 3: Cross multiply
263,449.23x = 363,568.74 × 161,454.99 - Step 4: Simplify right side
263,449.23x = 58,699,985,917.63 - Step 5: Solve for x
x = 58,699,985,917.63/263,449.23 - Step 6: Final answer
x = 222,813.28
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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.