Finding the Fourth Proportional to 203,492.49, 305,253.36 and 53,731.28
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Solution
The fourth proportional to 203,492.49, 305,253.36 and 53,731.28 is: 80,600.79
Step by Step Solution
- Step 1: Write the proportion equation
203,492.49 : 305,253.36 = 53,731.28 : x - Step 2: Convert to fraction form
203,492.49/305,253.36 = 53,731.28/x - Step 3: Cross multiply
203,492.49x = 305,253.36 × 53,731.28 - Step 4: Simplify right side
203,492.49x = 16,401,654,520.23 - Step 5: Solve for x
x = 16,401,654,520.23/203,492.49 - Step 6: Final answer
x = 80,600.79
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1.5x scale
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.