Finding the Fourth Proportional to 203,462.40, 305,193.60 and 55,718.40
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Solution
The fourth proportional to 203,462.40, 305,193.60 and 55,718.40 is: 83,577.60
Step by Step Solution
- Step 1: Write the proportion equation
203,462.40 : 305,193.60 = 55,718.40 : x - Step 2: Convert to fraction form
203,462.40/305,193.60 = 55,718.40/x - Step 3: Cross multiply
203,462.40x = 305,193.60 × 55,718.40 - Step 4: Simplify right side
203,462.40x = 17,004,899,082.24 - Step 5: Solve for x
x = 17,004,899,082.24/203,462.40 - Step 6: Final answer
x = 83,577.60
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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.