Finding the Fourth Proportional to 196,395.99, 271,035.36 and 115,826.91
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Solution
The fourth proportional to 196,395.99, 271,035.36 and 115,826.91 is: 159,846.38
Step by Step Solution
- Step 1: Write the proportion equation
196,395.99 : 271,035.36 = 115,826.91 : x - Step 2: Convert to fraction form
196,395.99/271,035.36 = 115,826.91/x - Step 3: Cross multiply
196,395.99x = 271,035.36 × 115,826.91 - Step 4: Simplify right side
196,395.99x = 31,393,188,249.54 - Step 5: Solve for x
x = 31,393,188,249.54/196,395.99 - Step 6: Final answer
x = 159,846.38
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1.5x scale
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.