Finding the Fourth Proportional to 371,859.48, 513,170.04 and 202,093.60
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Solution
The fourth proportional to 371,859.48, 513,170.04 and 202,093.60 is: 278,891.32
Step by Step Solution
- Step 1: Write the proportion equation
371,859.48 : 513,170.04 = 202,093.60 : x - Step 2: Convert to fraction form
371,859.48/513,170.04 = 202,093.60/x - Step 3: Cross multiply
371,859.48x = 513,170.04 × 202,093.60 - Step 4: Simplify right side
371,859.48x = 103,708,380,795.74 - Step 5: Solve for x
x = 103,708,380,795.74/371,859.48 - Step 6: Final answer
x = 278,891.32
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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.