Finding the Fourth Proportional to 164,573.28, 227,110.68 and 89,121.76
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Solution
The fourth proportional to 164,573.28, 227,110.68 and 89,121.76 is: 122,987.79
Step by Step Solution
- Step 1: Write the proportion equation
164,573.28 : 227,110.68 = 89,121.76 : x - Step 2: Convert to fraction form
164,573.28/227,110.68 = 89,121.76/x - Step 3: Cross multiply
164,573.28x = 227,110.68 × 89,121.76 - Step 4: Simplify right side
164,573.28x = 20,240,503,516.40 - Step 5: Solve for x
x = 20,240,503,516.40/164,573.28 - Step 6: Final answer
x = 122,987.79
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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.