Finding the Fourth Proportional to 371,769.75, 513,043.62 and 202,003.88
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Solution
The fourth proportional to 371,769.75, 513,043.62 and 202,003.88 is: 278,766.09
Step by Step Solution
- Step 1: Write the proportion equation
371,769.75 : 513,043.62 = 202,003.88 : x - Step 2: Convert to fraction form
371,769.75/513,043.62 = 202,003.88/x - Step 3: Cross multiply
371,769.75x = 513,043.62 × 202,003.88 - Step 4: Simplify right side
371,769.75x = 103,636,799,662.79 - Step 5: Solve for x
x = 103,636,799,662.79/371,769.75 - Step 6: Final answer
x = 278,766.09
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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.