Finding the Fourth Proportional to 202,286.80, 303,430.20 and 135,758.80
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Solution
The fourth proportional to 202,286.80, 303,430.20 and 135,758.80 is: 203,638.20
Step by Step Solution
- Step 1: Write the proportion equation
202,286.80 : 303,430.20 = 135,758.80 : x - Step 2: Convert to fraction form
202,286.80/303,430.20 = 135,758.80/x - Step 3: Cross multiply
202,286.80x = 303,430.20 × 135,758.80 - Step 4: Simplify right side
202,286.80x = 41,193,319,835.76 - Step 5: Solve for x
x = 41,193,319,835.76/202,286.80 - Step 6: Final answer
x = 203,638.20
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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.