Finding the Fourth Proportional to 225,994.68, 311,839.92 and 145,531.26
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Solution
The fourth proportional to 225,994.68, 311,839.92 and 145,531.26 is: 200,812.06
Step by Step Solution
- Step 1: Write the proportion equation
225,994.68 : 311,839.92 = 145,531.26 : x - Step 2: Convert to fraction form
225,994.68/311,839.92 = 145,531.26/x - Step 3: Cross multiply
225,994.68x = 311,839.92 × 145,531.26 - Step 4: Simplify right side
225,994.68x = 45,382,456,475.90 - Step 5: Solve for x
x = 45,382,456,475.90/225,994.68 - Step 6: Final answer
x = 200,812.06
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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.