Finding the Fourth Proportional to 146,163.36, 219,312.70 and 79,524.12
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Solution
The fourth proportional to 146,163.36, 219,312.70 and 79,524.12 is: 119,322.99
Step by Step Solution
- Step 1: Write the proportion equation
146,163.36 : 219,312.70 = 79,524.12 : x - Step 2: Convert to fraction form
146,163.36/219,312.70 = 79,524.12/x - Step 3: Cross multiply
146,163.36x = 219,312.70 × 79,524.12 - Step 4: Simplify right side
146,163.36x = 17,440,649,472.32 - Step 5: Solve for x
x = 17,440,649,472.32/146,163.36 - Step 6: Final answer
x = 119,322.99
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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.