Finding the Fourth Proportional to 134,808.80, 202,213.20 and 132,735.20
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Solution
The fourth proportional to 134,808.80, 202,213.20 and 132,735.20 is: 199,102.80
Step by Step Solution
- Step 1: Write the proportion equation
134,808.80 : 202,213.20 = 132,735.20 : x - Step 2: Convert to fraction form
134,808.80/202,213.20 = 132,735.20/x - Step 3: Cross multiply
134,808.80x = 202,213.20 × 132,735.20 - Step 4: Simplify right side
134,808.80x = 26,840,809,544.64 - Step 5: Solve for x
x = 26,840,809,544.64/134,808.80 - Step 6: Final answer
x = 199,102.80
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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.