Finding the Fourth Proportional to 202,022.20, 283,245.80 and 202,022.20
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Solution
The fourth proportional to 202,022.20, 283,245.80 and 202,022.20 is: 283,245.80
Step by Step Solution
- Step 1: Write the proportion equation
202,022.20 : 283,245.80 = 202,022.20 : x - Step 2: Convert to fraction form
202,022.20/283,245.80 = 202,022.20/x - Step 3: Cross multiply
202,022.20x = 283,245.80 × 202,022.20 - Step 4: Simplify right side
202,022.20x = 57,221,939,656.76 - Step 5: Solve for x
x = 57,221,939,656.76/202,022.20 - Step 6: Final answer
x = 283,245.80
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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.