Finding the Fourth Proportional to 236,119.96, 325,836.04 and 128,687.68
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Solution
The fourth proportional to 236,119.96, 325,836.04 and 128,687.68 is: 177,583.82
Step by Step Solution
- Step 1: Write the proportion equation
236,119.96 : 325,836.04 = 128,687.68 : x - Step 2: Convert to fraction form
236,119.96/325,836.04 = 128,687.68/x - Step 3: Cross multiply
236,119.96x = 325,836.04 × 128,687.68 - Step 4: Simplify right side
236,119.96x = 41,931,084,047.99 - Step 5: Solve for x
x = 41,931,084,047.99/236,119.96 - Step 6: Final answer
x = 177,583.82
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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.