Finding the Fourth Proportional to 276,738.26, 415,238.62 and 164,639.94
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Solution
The fourth proportional to 276,738.26, 415,238.62 and 164,639.94 is: 247,037.98
Step by Step Solution
- Step 1: Write the proportion equation
276,738.26 : 415,238.62 = 164,639.94 : x - Step 2: Convert to fraction form
276,738.26/415,238.62 = 164,639.94/x - Step 3: Cross multiply
276,738.26x = 415,238.62 × 164,639.94 - Step 4: Simplify right side
276,738.26x = 68,364,861,482.48 - Step 5: Solve for x
x = 68,364,861,482.48/276,738.26 - Step 6: Final answer
x = 247,037.98
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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.