Finding the Fourth Proportional to 197,028.99, 271,901.75 and 112,151.52
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Solution
The fourth proportional to 197,028.99, 271,901.75 and 112,151.52 is: 154,770.09
Step by Step Solution
- Step 1: Write the proportion equation
197,028.99 : 271,901.75 = 112,151.52 : x - Step 2: Convert to fraction form
197,028.99/271,901.75 = 112,151.52/x - Step 3: Cross multiply
197,028.99x = 271,901.75 × 112,151.52 - Step 4: Simplify right side
197,028.99x = 30,494,193,992.40 - Step 5: Solve for x
x = 30,494,193,992.40/197,028.99 - Step 6: Final answer
x = 154,770.09
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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.