Finding the Fourth Proportional to 202,215.80, 303,323.70 and 135,687.80
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Solution
The fourth proportional to 202,215.80, 303,323.70 and 135,687.80 is: 203,531.70
Step by Step Solution
- Step 1: Write the proportion equation
202,215.80 : 303,323.70 = 135,687.80 : x - Step 2: Convert to fraction form
202,215.80/303,323.70 = 135,687.80/x - Step 3: Cross multiply
202,215.80x = 303,323.70 × 135,687.80 - Step 4: Simplify right side
202,215.80x = 41,157,325,540.86 - Step 5: Solve for x
x = 41,157,325,540.86/202,215.80 - Step 6: Final answer
x = 203,531.70
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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.