Finding the Fourth Proportional to 220,324.14, 304,049.10 and 119,722.14
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Solution
The fourth proportional to 220,324.14, 304,049.10 and 119,722.14 is: 165,217.52
Step by Step Solution
- Step 1: Write the proportion equation
220,324.14 : 304,049.10 = 119,722.14 : x - Step 2: Convert to fraction form
220,324.14/304,049.10 = 119,722.14/x - Step 3: Cross multiply
220,324.14x = 304,049.10 × 119,722.14 - Step 4: Simplify right side
220,324.14x = 36,401,408,917.07 - Step 5: Solve for x
x = 36,401,408,917.07/220,324.14 - Step 6: Final answer
x = 165,217.52
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1.5x scale
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.