Finding the Fourth Proportional to 382,163.95, 573,328.39 and 115,945.91
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Solution
The fourth proportional to 382,163.95, 573,328.39 and 115,945.91 is: 173,943.88
Step by Step Solution
- Step 1: Write the proportion equation
382,163.95 : 573,328.39 = 115,945.91 : x - Step 2: Convert to fraction form
382,163.95/573,328.39 = 115,945.91/x - Step 3: Cross multiply
382,163.95x = 573,328.39 × 115,945.91 - Step 4: Simplify right side
382,163.95x = 66,475,081,907.38 - Step 5: Solve for x
x = 66,475,081,907.38/382,163.95 - Step 6: Final answer
x = 173,943.88
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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.