Finding the Fourth Proportional to 201,561.58, 302,459.19 and 101,729.62
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Solution
The fourth proportional to 201,561.58, 302,459.19 and 101,729.62 is: 152,653.39
Step by Step Solution
- Step 1: Write the proportion equation
201,561.58 : 302,459.19 = 101,729.62 : x - Step 2: Convert to fraction form
201,561.58/302,459.19 = 101,729.62/x - Step 3: Cross multiply
201,561.58x = 302,459.19 × 101,729.62 - Step 4: Simplify right side
201,561.58x = 30,769,058,464.21 - Step 5: Solve for x
x = 30,769,058,464.21/201,561.58 - Step 6: Final answer
x = 152,653.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.