Finding the Fourth Proportional to 129,944.70, 182,272.50 and 129,944.70
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Solution
The fourth proportional to 129,944.70, 182,272.50 and 129,944.70 is: 182,272.50
Step by Step Solution
- Step 1: Write the proportion equation
129,944.70 : 182,272.50 = 129,944.70 : x - Step 2: Convert to fraction form
129,944.70/182,272.50 = 129,944.70/x - Step 3: Cross multiply
129,944.70x = 182,272.50 × 129,944.70 - Step 4: Simplify right side
129,944.70x = 23,685,345,330.75 - Step 5: Solve for x
x = 23,685,345,330.75/129,944.70 - Step 6: Final answer
x = 182,272.50
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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.