Finding the Fourth Proportional to 135,261.80, 202,911.90 and 41,757.80
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Solution
The fourth proportional to 135,261.80, 202,911.90 and 41,757.80 is: 62,642.63
Step by Step Solution
- Step 1: Write the proportion equation
135,261.80 : 202,911.90 = 41,757.80 : x - Step 2: Convert to fraction form
135,261.80/202,911.90 = 41,757.80/x - Step 3: Cross multiply
135,261.80x = 202,911.90 × 41,757.80 - Step 4: Simplify right side
135,261.80x = 8,473,154,537.82 - Step 5: Solve for x
x = 8,473,154,537.82/135,261.80 - Step 6: Final answer
x = 62,642.63
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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.