Finding the Fourth Proportional to 202,309.20, 283,647.60 and 202,309.20
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Solution
The fourth proportional to 202,309.20, 283,647.60 and 202,309.20 is: 283,647.60
Step by Step Solution
- Step 1: Write the proportion equation
202,309.20 : 283,647.60 = 202,309.20 : x - Step 2: Convert to fraction form
202,309.20/283,647.60 = 202,309.20/x - Step 3: Cross multiply
202,309.20x = 283,647.60 × 202,309.20 - Step 4: Simplify right side
202,309.20x = 57,384,519,037.92 - Step 5: Solve for x
x = 57,384,519,037.92/202,309.20 - Step 6: Final answer
x = 283,647.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.