Finding the Fourth Proportional to 202,457.44, 303,871.11 and 102,686.50
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Solution
The fourth proportional to 202,457.44, 303,871.11 and 102,686.50 is: 154,123.55
Step by Step Solution
- Step 1: Write the proportion equation
202,457.44 : 303,871.11 = 102,686.50 : x - Step 2: Convert to fraction form
202,457.44/303,871.11 = 102,686.50/x - Step 3: Cross multiply
202,457.44x = 303,871.11 × 102,686.50 - Step 4: Simplify right side
202,457.44x = 31,203,458,704.23 - Step 5: Solve for x
x = 31,203,458,704.23/202,457.44 - Step 6: Final answer
x = 154,123.55
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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.