Finding the Fourth Proportional to 235,361.79, 324,805.59 and 127,939.05
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Solution
The fourth proportional to 235,361.79, 324,805.59 and 127,939.05 is: 176,559.32
Step by Step Solution
- Step 1: Write the proportion equation
235,361.79 : 324,805.59 = 127,939.05 : x - Step 2: Convert to fraction form
235,361.79/324,805.59 = 127,939.05/x - Step 3: Cross multiply
235,361.79x = 324,805.59 × 127,939.05 - Step 4: Simplify right side
235,361.79x = 41,555,318,619.29 - Step 5: Solve for x
x = 41,555,318,619.29/235,361.79 - Step 6: Final answer
x = 176,559.32
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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.