Finding the Fourth Proportional to 167,765.06, 251,803.11 and 84,717.38
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Solution
The fourth proportional to 167,765.06, 251,803.11 and 84,717.38 is: 127,154.60
Step by Step Solution
- Step 1: Write the proportion equation
167,765.06 : 251,803.11 = 84,717.38 : x - Step 2: Convert to fraction form
167,765.06/251,803.11 = 84,717.38/x - Step 3: Cross multiply
167,765.06x = 251,803.11 × 84,717.38 - Step 4: Simplify right side
167,765.06x = 21,332,099,755.05 - Step 5: Solve for x
x = 21,332,099,755.05/167,765.06 - Step 6: Final answer
x = 127,154.60
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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.