Finding the Fourth Proportional to 276,529.14, 381,638.79 and 169,170.53
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Solution
The fourth proportional to 276,529.14, 381,638.79 and 169,170.53 is: 233,472.81
Step by Step Solution
- Step 1: Write the proportion equation
276,529.14 : 381,638.79 = 169,170.53 : x - Step 2: Convert to fraction form
276,529.14/381,638.79 = 169,170.53/x - Step 3: Cross multiply
276,529.14x = 381,638.79 × 169,170.53 - Step 4: Simplify right side
276,529.14x = 64,562,034,464.66 - Step 5: Solve for x
x = 64,562,034,464.66/276,529.14 - Step 6: Final answer
x = 233,472.81
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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.