Finding the Fourth Proportional to 147,418.75, 203,437.97 and 80,350.75
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Solution
The fourth proportional to 147,418.75, 203,437.97 and 80,350.75 is: 110,884.09
Step by Step Solution
- Step 1: Write the proportion equation
147,418.75 : 203,437.97 = 80,350.75 : x - Step 2: Convert to fraction form
147,418.75/203,437.97 = 80,350.75/x - Step 3: Cross multiply
147,418.75x = 203,437.97 × 80,350.75 - Step 4: Simplify right side
147,418.75x = 16,346,393,467.98 - Step 5: Solve for x
x = 16,346,393,467.98/147,418.75 - Step 6: Final answer
x = 110,884.09
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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.