Finding the Fourth Proportional to 339,178.44, 468,135.84 and 195,918.60
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Solution
The fourth proportional to 339,178.44, 468,135.84 and 195,918.60 is: 270,407.87
Step by Step Solution
- Step 1: Write the proportion equation
339,178.44 : 468,135.84 = 195,918.60 : x - Step 2: Convert to fraction form
339,178.44/468,135.84 = 195,918.60/x - Step 3: Cross multiply
339,178.44x = 468,135.84 × 195,918.60 - Step 4: Simplify right side
339,178.44x = 91,716,518,382.62 - Step 5: Solve for x
x = 91,716,518,382.62/339,178.44 - Step 6: Final answer
x = 270,407.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.