Finding the Fourth Proportional to 202,485.70, 303,728.55 and 97,279.30
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Solution
The fourth proportional to 202,485.70, 303,728.55 and 97,279.30 is: 145,918.95
Step by Step Solution
- Step 1: Write the proportion equation
202,485.70 : 303,728.55 = 97,279.30 : x - Step 2: Convert to fraction form
202,485.70/303,728.55 = 97,279.30/x - Step 3: Cross multiply
202,485.70x = 303,728.55 × 97,279.30 - Step 4: Simplify right side
202,485.70x = 29,546,500,734.02 - Step 5: Solve for x
x = 29,546,500,734.02/202,485.70 - Step 6: Final answer
x = 145,918.95
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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.