Finding the Fourth Proportional to 252,297.92, 348,163.68 and 139,120.64
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Solution
The fourth proportional to 252,297.92, 348,163.68 and 139,120.64 is: 191,982.38
Step by Step Solution
- Step 1: Write the proportion equation
252,297.92 : 348,163.68 = 139,120.64 : x - Step 2: Convert to fraction form
252,297.92/348,163.68 = 139,120.64/x - Step 3: Cross multiply
252,297.92x = 348,163.68 × 139,120.64 - Step 4: Simplify right side
252,297.92x = 48,436,753,986.36 - Step 5: Solve for x
x = 48,436,753,986.36/252,297.92 - Step 6: Final answer
x = 191,982.38
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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.