Finding the Fourth Proportional to 170,390.97, 255,586.43 and 45,731.97
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Solution
The fourth proportional to 170,390.97, 255,586.43 and 45,731.97 is: 68,597.95
Step by Step Solution
- Step 1: Write the proportion equation
170,390.97 : 255,586.43 = 45,731.97 : x - Step 2: Convert to fraction form
170,390.97/255,586.43 = 45,731.97/x - Step 3: Cross multiply
170,390.97x = 255,586.43 × 45,731.97 - Step 4: Simplify right side
170,390.97x = 11,688,470,720.51 - Step 5: Solve for x
x = 11,688,470,720.51/170,390.97 - Step 6: Final answer
x = 68,597.95
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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.