Finding the Fourth Proportional to 89,202.40, 133,738.80 and 36,584.80
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Solution
The fourth proportional to 89,202.40, 133,738.80 and 36,584.80 is: 54,850.62
Step by Step Solution
- Step 1: Write the proportion equation
89,202.40 : 133,738.80 = 36,584.80 : x - Step 2: Convert to fraction form
89,202.40/133,738.80 = 36,584.80/x - Step 3: Cross multiply
89,202.40x = 133,738.80 × 36,584.80 - Step 4: Simplify right side
89,202.40x = 4,892,807,250.24 - Step 5: Solve for x
x = 4,892,807,250.24/89,202.40 - Step 6: Final answer
x = 54,850.62
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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.