Finding the Fourth Proportional to 225,817.50, 311,676.75 and 135,193.68
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Solution
The fourth proportional to 225,817.50, 311,676.75 and 135,193.68 is: 186,596.37
Step by Step Solution
- Step 1: Write the proportion equation
225,817.50 : 311,676.75 = 135,193.68 : x - Step 2: Convert to fraction form
225,817.50/311,676.75 = 135,193.68/x - Step 3: Cross multiply
225,817.50x = 311,676.75 × 135,193.68 - Step 4: Simplify right side
225,817.50x = 42,136,726,802.94 - Step 5: Solve for x
x = 42,136,726,802.94/225,817.50 - Step 6: Final answer
x = 186,596.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.