Finding the Fourth Proportional to 276,716.10, 415,074.15 and 252,221.70
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Solution
The fourth proportional to 276,716.10, 415,074.15 and 252,221.70 is: 378,332.55
Step by Step Solution
- Step 1: Write the proportion equation
276,716.10 : 415,074.15 = 252,221.70 : x - Step 2: Convert to fraction form
276,716.10/415,074.15 = 252,221.70/x - Step 3: Cross multiply
276,716.10x = 415,074.15 × 252,221.70 - Step 4: Simplify right side
276,716.10x = 104,690,707,739.06 - Step 5: Solve for x
x = 104,690,707,739.06/276,716.10 - Step 6: Final answer
x = 378,332.55
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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.