Finding the Fourth Proportional to 202,179.10, 303,487.35 and 127,383.70
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Solution
The fourth proportional to 202,179.10, 303,487.35 and 127,383.70 is: 191,213.34
Step by Step Solution
- Step 1: Write the proportion equation
202,179.10 : 303,487.35 = 127,383.70 : x - Step 2: Convert to fraction form
202,179.10/303,487.35 = 127,383.70/x - Step 3: Cross multiply
202,179.10x = 303,487.35 × 127,383.70 - Step 4: Simplify right side
202,179.10x = 38,659,341,546.20 - Step 5: Solve for x
x = 38,659,341,546.20/202,179.10 - Step 6: Final answer
x = 191,213.34
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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.