Finding the Fourth Proportional to 290,723.09, 401,182.62 and 161,669.84
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Solution
The fourth proportional to 290,723.09, 401,182.62 and 161,669.84 is: 223,095.90
Step by Step Solution
- Step 1: Write the proportion equation
290,723.09 : 401,182.62 = 161,669.84 : x - Step 2: Convert to fraction form
290,723.09/401,182.62 = 161,669.84/x - Step 3: Cross multiply
290,723.09x = 401,182.62 × 161,669.84 - Step 4: Simplify right side
290,723.09x = 64,859,129,986.18 - Step 5: Solve for x
x = 64,859,129,986.18/290,723.09 - Step 6: Final answer
x = 223,095.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.