Finding the Fourth Proportional to 161,765.97, 242,649.56 and 49,445.75
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Solution
The fourth proportional to 161,765.97, 242,649.56 and 49,445.75 is: 74,168.80
Step by Step Solution
- Step 1: Write the proportion equation
161,765.97 : 242,649.56 = 49,445.75 : x - Step 2: Convert to fraction form
161,765.97/242,649.56 = 49,445.75/x - Step 3: Cross multiply
161,765.97x = 242,649.56 × 49,445.75 - Step 4: Simplify right side
161,765.97x = 11,997,988,020.89 - Step 5: Solve for x
x = 11,997,988,020.89/161,765.97 - Step 6: Final answer
x = 74,168.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.