Finding the Fourth Proportional to 196,422.99, 271,063.76 and 106,998.99
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Solution
The fourth proportional to 196,422.99, 271,063.76 and 106,998.99 is: 147,658.62
Step by Step Solution
- Step 1: Write the proportion equation
196,422.99 : 271,063.76 = 106,998.99 : x - Step 2: Convert to fraction form
196,422.99/271,063.76 = 106,998.99/x - Step 3: Cross multiply
196,422.99x = 271,063.76 × 106,998.99 - Step 4: Simplify right side
196,422.99x = 29,003,548,010.61 - Step 5: Solve for x
x = 29,003,548,010.61/196,422.99 - Step 6: Final answer
x = 147,658.62
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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.