Finding the Fourth Proportional to 236,235.96, 325,999.74 and 128,808.09
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Solution
The fourth proportional to 236,235.96, 325,999.74 and 128,808.09 is: 177,751.96
Step by Step Solution
- Step 1: Write the proportion equation
236,235.96 : 325,999.74 = 128,808.09 : x - Step 2: Convert to fraction form
236,235.96/325,999.74 = 128,808.09/x - Step 3: Cross multiply
236,235.96x = 325,999.74 × 128,808.09 - Step 4: Simplify right side
236,235.96x = 41,991,403,849.90 - Step 5: Solve for x
x = 41,991,403,849.90/236,235.96 - Step 6: Final answer
x = 177,751.96
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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.