Finding the Fourth Proportional to 164,660.49, 227,231.70 and 89,208.99
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Solution
The fourth proportional to 164,660.49, 227,231.70 and 89,208.99 is: 123,108.53
Step by Step Solution
- Step 1: Write the proportion equation
164,660.49 : 227,231.70 = 89,208.99 : x - Step 2: Convert to fraction form
164,660.49/227,231.70 = 89,208.99/x - Step 3: Cross multiply
164,660.49x = 227,231.70 × 89,208.99 - Step 4: Simplify right side
164,660.49x = 20,271,110,452.98 - Step 5: Solve for x
x = 20,271,110,452.98/164,660.49 - Step 6: Final answer
x = 123,108.53
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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.