Finding the Fourth Proportional to 214,471.66, 321,498.26 and 102,121.70
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Solution
The fourth proportional to 214,471.66, 321,498.26 and 102,121.70 is: 153,082.92
Step by Step Solution
- Step 1: Write the proportion equation
214,471.66 : 321,498.26 = 102,121.70 : x - Step 2: Convert to fraction form
214,471.66/321,498.26 = 102,121.70/x - Step 3: Cross multiply
214,471.66x = 321,498.26 × 102,121.70 - Step 4: Simplify right side
214,471.66x = 32,831,948,858.24 - Step 5: Solve for x
x = 32,831,948,858.24/214,471.66 - Step 6: Final answer
x = 153,082.92
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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.