Finding the Fourth Proportional to 170,112.15, 255,195.70 and 51,755.63
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Solution
The fourth proportional to 170,112.15, 255,195.70 and 51,755.63 is: 77,641.80
Step by Step Solution
- Step 1: Write the proportion equation
170,112.15 : 255,195.70 = 51,755.63 : x - Step 2: Convert to fraction form
170,112.15/255,195.70 = 51,755.63/x - Step 3: Cross multiply
170,112.15x = 255,195.70 × 51,755.63 - Step 4: Simplify right side
170,112.15x = 13,207,812,821.42 - Step 5: Solve for x
x = 13,207,812,821.42/170,112.15 - Step 6: Final answer
x = 77,641.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.