Finding the Fourth Proportional to 252,227.52, 378,396.64 and 74,748.44
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Solution
The fourth proportional to 252,227.52, 378,396.64 and 74,748.44 is: 112,139.07
Step by Step Solution
- Step 1: Write the proportion equation
252,227.52 : 378,396.64 = 74,748.44 : x - Step 2: Convert to fraction form
252,227.52/378,396.64 = 74,748.44/x - Step 3: Cross multiply
252,227.52x = 378,396.64 × 74,748.44 - Step 4: Simplify right side
252,227.52x = 28,284,558,541.24 - Step 5: Solve for x
x = 28,284,558,541.24/252,227.52 - Step 6: Final answer
x = 112,139.07
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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.