Finding the Fourth Proportional to 135,220.80, 202,850.40 and 41,716.80
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Solution
The fourth proportional to 135,220.80, 202,850.40 and 41,716.80 is: 62,581.12
Step by Step Solution
- Step 1: Write the proportion equation
135,220.80 : 202,850.40 = 41,716.80 : x - Step 2: Convert to fraction form
135,220.80/202,850.40 = 41,716.80/x - Step 3: Cross multiply
135,220.80x = 202,850.40 × 41,716.80 - Step 4: Simplify right side
135,220.80x = 8,462,269,566.72 - Step 5: Solve for x
x = 8,462,269,566.72/135,220.80 - Step 6: Final answer
x = 62,581.12
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1.5x scale
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.