Finding the Fourth Proportional to 253,015.36, 379,515.84 and 75,523.84
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Solution
The fourth proportional to 253,015.36, 379,515.84 and 75,523.84 is: 113,283.61
Step by Step Solution
- Step 1: Write the proportion equation
253,015.36 : 379,515.84 = 75,523.84 : x - Step 2: Convert to fraction form
253,015.36/379,515.84 = 75,523.84/x - Step 3: Cross multiply
253,015.36x = 379,515.84 × 75,523.84 - Step 4: Simplify right side
253,015.36x = 28,662,493,577.63 - Step 5: Solve for x
x = 28,662,493,577.63/253,015.36 - Step 6: Final answer
x = 113,283.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.