Finding the Fourth Proportional to 276,126.68, 381,733.86 and 273,600.70
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Solution
The fourth proportional to 276,126.68, 381,733.86 and 273,600.70 is: 378,241.80
Step by Step Solution
- Step 1: Write the proportion equation
276,126.68 : 381,733.86 = 273,600.70 : x - Step 2: Convert to fraction form
276,126.68/381,733.86 = 273,600.70/x - Step 3: Cross multiply
276,126.68x = 381,733.86 × 273,600.70 - Step 4: Simplify right side
276,126.68x = 104,442,651,309.70 - Step 5: Solve for x
x = 104,442,651,309.70/276,126.68 - Step 6: Final answer
x = 378,241.80
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1.5x scale
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.