Finding the Fourth Proportional to 201,896.80, 302,845.20 and 61,637.20
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Solution
The fourth proportional to 201,896.80, 302,845.20 and 61,637.20 is: 92,455.80
Step by Step Solution
- Step 1: Write the proportion equation
201,896.80 : 302,845.20 = 61,637.20 : x - Step 2: Convert to fraction form
201,896.80/302,845.20 = 61,637.20/x - Step 3: Cross multiply
201,896.80x = 302,845.20 × 61,637.20 - Step 4: Simplify right side
201,896.80x = 18,666,530,161.44 - Step 5: Solve for x
x = 18,666,530,161.44/201,896.80 - Step 6: Final answer
x = 92,455.80
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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.