Finding the Fourth Proportional to 201,871.62, 302,463.09 and 142,593.12
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Solution
The fourth proportional to 201,871.62, 302,463.09 and 142,593.12 is: 213,646.45
Step by Step Solution
- Step 1: Write the proportion equation
201,871.62 : 302,463.09 = 142,593.12 : x - Step 2: Convert to fraction form
201,871.62/302,463.09 = 142,593.12/x - Step 3: Cross multiply
201,871.62x = 302,463.09 × 142,593.12 - Step 4: Simplify right side
201,871.62x = 43,129,155,687.94 - Step 5: Solve for x
x = 43,129,155,687.94/201,871.62 - Step 6: Final answer
x = 213,646.45
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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.