Finding the Fourth Proportional to 276,120.36, 381,174.48 and 208,164.96
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Solution
The fourth proportional to 276,120.36, 381,174.48 and 208,164.96 is: 287,364.43
Step by Step Solution
- Step 1: Write the proportion equation
276,120.36 : 381,174.48 = 208,164.96 : x - Step 2: Convert to fraction form
276,120.36/381,174.48 = 208,164.96/x - Step 3: Cross multiply
276,120.36x = 381,174.48 × 208,164.96 - Step 4: Simplify right side
276,120.36x = 79,347,170,382.22 - Step 5: Solve for x
x = 79,347,170,382.22/276,120.36 - Step 6: Final answer
x = 287,364.43
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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.