Finding the Fourth Proportional to 371,114.28, 511,799.57 and 313,873.62
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Solution
The fourth proportional to 371,114.28, 511,799.57 and 313,873.62 is: 432,859.61
Step by Step Solution
- Step 1: Write the proportion equation
371,114.28 : 511,799.57 = 313,873.62 : x - Step 2: Convert to fraction form
371,114.28/511,799.57 = 313,873.62/x - Step 3: Cross multiply
371,114.28x = 511,799.57 × 313,873.62 - Step 4: Simplify right side
371,114.28x = 160,640,382,180.98 - Step 5: Solve for x
x = 160,640,382,180.98/371,114.28 - Step 6: Final answer
x = 432,859.61
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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.