Finding the Fourth Proportional to 202,866.40, 304,299.60 and 84,622.60
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Solution
The fourth proportional to 202,866.40, 304,299.60 and 84,622.60 is: 126,933.90
Step by Step Solution
- Step 1: Write the proportion equation
202,866.40 : 304,299.60 = 84,622.60 : x - Step 2: Convert to fraction form
202,866.40/304,299.60 = 84,622.60/x - Step 3: Cross multiply
202,866.40x = 304,299.60 × 84,622.60 - Step 4: Simplify right side
202,866.40x = 25,750,623,330.96 - Step 5: Solve for x
x = 25,750,623,330.96/202,866.40 - Step 6: Final answer
x = 126,933.90
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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.