Finding the Fourth Proportional to 164,921.18, 227,450.70 and 126,773.06
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Solution
The fourth proportional to 164,921.18, 227,450.70 and 126,773.06 is: 174,838.80
Step by Step Solution
- Step 1: Write the proportion equation
164,921.18 : 227,450.70 = 126,773.06 : x - Step 2: Convert to fraction form
164,921.18/227,450.70 = 126,773.06/x - Step 3: Cross multiply
164,921.18x = 227,450.70 × 126,773.06 - Step 4: Simplify right side
164,921.18x = 28,834,620,100.89 - Step 5: Solve for x
x = 28,834,620,100.89/164,921.18 - Step 6: Final answer
x = 174,838.80
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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.