Finding the Fourth Proportional to 252,099.84, 378,148.68 and 74,607.96
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Solution
The fourth proportional to 252,099.84, 378,148.68 and 74,607.96 is: 111,911.62
Step by Step Solution
- Step 1: Write the proportion equation
252,099.84 : 378,148.68 = 74,607.96 : x - Step 2: Convert to fraction form
252,099.84/378,148.68 = 74,607.96/x - Step 3: Cross multiply
252,099.84x = 378,148.68 × 74,607.96 - Step 4: Simplify right side
252,099.84x = 28,212,901,591.49 - Step 5: Solve for x
x = 28,212,901,591.49/252,099.84 - Step 6: Final answer
x = 111,911.62
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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.