Finding the Fourth Proportional to 236,232.96, 325,995.60 and 128,805.09
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Solution
The fourth proportional to 236,232.96, 325,995.60 and 128,805.09 is: 177,747.82
Step by Step Solution
- Step 1: Write the proportion equation
236,232.96 : 325,995.60 = 128,805.09 : x - Step 2: Convert to fraction form
236,232.96/325,995.60 = 128,805.09/x - Step 3: Cross multiply
236,232.96x = 325,995.60 × 128,805.09 - Step 4: Simplify right side
236,232.96x = 41,989,892,597.60 - Step 5: Solve for x
x = 41,989,892,597.60/236,232.96 - Step 6: Final answer
x = 177,747.82
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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.