Finding the Fourth Proportional to 252,715.68, 379,066.97 and 102,955.73
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Solution
The fourth proportional to 252,715.68, 379,066.97 and 102,955.73 is: 154,430.92
Step by Step Solution
- Step 1: Write the proportion equation
252,715.68 : 379,066.97 = 102,955.73 : x - Step 2: Convert to fraction form
252,715.68/379,066.97 = 102,955.73/x - Step 3: Cross multiply
252,715.68x = 379,066.97 × 102,955.73 - Step 4: Simplify right side
252,715.68x = 39,027,114,977.29 - Step 5: Solve for x
x = 39,027,114,977.29/252,715.68 - Step 6: Final answer
x = 154,430.92
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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.