Finding the Fourth Proportional to 252,279.87, 347,784.48 and 198,471.44
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Solution
The fourth proportional to 252,279.87, 347,784.48 and 198,471.44 is: 273,605.99
Step by Step Solution
- Step 1: Write the proportion equation
252,279.87 : 347,784.48 = 198,471.44 : x - Step 2: Convert to fraction form
252,279.87/347,784.48 = 198,471.44/x - Step 3: Cross multiply
252,279.87x = 347,784.48 × 198,471.44 - Step 4: Simplify right side
252,279.87x = 69,025,283,823.97 - Step 5: Solve for x
x = 69,025,283,823.97/252,279.87 - Step 6: Final answer
x = 273,605.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.