Finding the Fourth Proportional to 319,614.08, 479,296.49 and 119,825.46
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Solution
The fourth proportional to 319,614.08, 479,296.49 and 119,825.46 is: 179,691.47
Step by Step Solution
- Step 1: Write the proportion equation
319,614.08 : 479,296.49 = 119,825.46 : x - Step 2: Convert to fraction form
319,614.08/479,296.49 = 119,825.46/x - Step 3: Cross multiply
319,614.08x = 479,296.49 × 119,825.46 - Step 4: Simplify right side
319,614.08x = 57,431,921,791.51 - Step 5: Solve for x
x = 57,431,921,791.51/319,614.08 - Step 6: Final answer
x = 179,691.47
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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.