Finding the Fourth Proportional to 371,278.40, 512,364.69 and 201,512.48
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Solution
The fourth proportional to 371,278.40, 512,364.69 and 201,512.48 is: 278,087.49
Step by Step Solution
- Step 1: Write the proportion equation
371,278.40 : 512,364.69 = 201,512.48 : x - Step 2: Convert to fraction form
371,278.40/512,364.69 = 201,512.48/x - Step 3: Cross multiply
371,278.40x = 512,364.69 × 201,512.48 - Step 4: Simplify right side
371,278.40x = 103,247,879,346.33 - Step 5: Solve for x
x = 103,247,879,346.33/371,278.40 - Step 6: Final answer
x = 278,087.49
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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.