Finding the Fourth Proportional to 198,756.99, 297,944.73 and 127,480.23
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Solution
The fourth proportional to 198,756.99, 297,944.73 and 127,480.23 is: 191,098.00
Step by Step Solution
- Step 1: Write the proportion equation
198,756.99 : 297,944.73 = 127,480.23 : x - Step 2: Convert to fraction form
198,756.99/297,944.73 = 127,480.23/x - Step 3: Cross multiply
198,756.99x = 297,944.73 × 127,480.23 - Step 4: Simplify right side
198,756.99x = 37,982,062,707.69 - Step 5: Solve for x
x = 37,982,062,707.69/198,756.99 - Step 6: Final answer
x = 191,098.00
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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.