Finding the Fourth Proportional to 276,249.96, 381,228.84 and 163,072.68
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Solution
The fourth proportional to 276,249.96, 381,228.84 and 163,072.68 is: 225,042.60
Step by Step Solution
- Step 1: Write the proportion equation
276,249.96 : 381,228.84 = 163,072.68 : x - Step 2: Convert to fraction form
276,249.96/381,228.84 = 163,072.68/x - Step 3: Cross multiply
276,249.96x = 381,228.84 × 163,072.68 - Step 4: Simplify right side
276,249.96x = 62,168,008,632.09 - Step 5: Solve for x
x = 62,168,008,632.09/276,249.96 - Step 6: Final answer
x = 225,042.60
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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.