Finding the Fourth Proportional to 411,296.26, 616,715.15 and 126,906.08
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Solution
The fourth proportional to 411,296.26, 616,715.15 and 126,906.08 is: 190,288.39
Step by Step Solution
- Step 1: Write the proportion equation
411,296.26 : 616,715.15 = 126,906.08 : x - Step 2: Convert to fraction form
411,296.26/616,715.15 = 126,906.08/x - Step 3: Cross multiply
411,296.26x = 616,715.15 × 126,906.08 - Step 4: Simplify right side
411,296.26x = 78,264,902,163.11 - Step 5: Solve for x
x = 78,264,902,163.11/411,296.26 - Step 6: Final answer
x = 190,288.39
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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.