Finding the Fourth Proportional to 205,665.16, 283,821.80 and 125,096.08
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Solution
The fourth proportional to 205,665.16, 283,821.80 and 125,096.08 is: 172,634.95
Step by Step Solution
- Step 1: Write the proportion equation
205,665.16 : 283,821.80 = 125,096.08 : x - Step 2: Convert to fraction form
205,665.16/283,821.80 = 125,096.08/x - Step 3: Cross multiply
205,665.16x = 283,821.80 × 125,096.08 - Step 4: Simplify right side
205,665.16x = 35,504,994,598.54 - Step 5: Solve for x
x = 35,504,994,598.54/205,665.16 - Step 6: Final answer
x = 172,634.95
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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.