Finding the Fourth Proportional to 276,226.93, 381,197.10 and 163,049.68
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Solution
The fourth proportional to 276,226.93, 381,197.10 and 163,049.68 is: 225,010.88
Step by Step Solution
- Step 1: Write the proportion equation
276,226.93 : 381,197.10 = 163,049.68 : x - Step 2: Convert to fraction form
276,226.93/381,197.10 = 163,049.68/x - Step 3: Cross multiply
276,226.93x = 381,197.10 × 163,049.68 - Step 4: Simplify right side
276,226.93x = 62,154,065,171.93 - Step 5: Solve for x
x = 62,154,065,171.93/276,226.93 - Step 6: Final answer
x = 225,010.88
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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.