Finding the Fourth Proportional to 252,095.49, 378,197.91 and 74,614.97
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Solution
The fourth proportional to 252,095.49, 378,197.91 and 74,614.97 is: 111,938.64
Step by Step Solution
- Step 1: Write the proportion equation
252,095.49 : 378,197.91 = 74,614.97 : x - Step 2: Convert to fraction form
252,095.49/378,197.91 = 74,614.97/x - Step 3: Cross multiply
252,095.49x = 378,197.91 × 74,614.97 - Step 4: Simplify right side
252,095.49x = 28,219,226,654.21 - Step 5: Solve for x
x = 28,219,226,654.21/252,095.49 - Step 6: Final answer
x = 111,938.64
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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.