Finding the Fourth Proportional to 253,502.75, 380,627.94 and 141,401.99
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Solution
The fourth proportional to 253,502.75, 380,627.94 and 141,401.99 is: 212,311.50
Step by Step Solution
- Step 1: Write the proportion equation
253,502.75 : 380,627.94 = 141,401.99 : x - Step 2: Convert to fraction form
253,502.75/380,627.94 = 141,401.99/x - Step 3: Cross multiply
253,502.75x = 380,627.94 × 141,401.99 - Step 4: Simplify right side
253,502.75x = 53,821,548,165.60 - Step 5: Solve for x
x = 53,821,548,165.60/253,502.75 - Step 6: Final answer
x = 212,311.50
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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.