Finding the Fourth Proportional to 252,765.23, 379,042.40 and 102,903.75
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Solution
The fourth proportional to 252,765.23, 379,042.40 and 102,903.75 is: 154,312.70
Step by Step Solution
- Step 1: Write the proportion equation
252,765.23 : 379,042.40 = 102,903.75 : x - Step 2: Convert to fraction form
252,765.23/379,042.40 = 102,903.75/x - Step 3: Cross multiply
252,765.23x = 379,042.40 × 102,903.75 - Step 4: Simplify right side
252,765.23x = 39,004,884,626.26 - Step 5: Solve for x
x = 39,004,884,626.26/252,765.23 - Step 6: Final answer
x = 154,312.70
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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.