Finding the Fourth Proportional to 252,245.53, 378,369.65 and 74,754.08
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Solution
The fourth proportional to 252,245.53, 378,369.65 and 74,754.08 is: 112,131.52
Step by Step Solution
- Step 1: Write the proportion equation
252,245.53 : 378,369.65 = 74,754.08 : x - Step 2: Convert to fraction form
252,245.53/378,369.65 = 74,754.08/x - Step 3: Cross multiply
252,245.53x = 378,369.65 × 74,754.08 - Step 4: Simplify right side
252,245.53x = 28,284,675,085.67 - Step 5: Solve for x
x = 28,284,675,085.67/252,245.53 - Step 6: Final answer
x = 112,131.52
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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.