Finding the Fourth Proportional to 276,306.11, 414,442.26 and 162,516.84
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Solution
The fourth proportional to 276,306.11, 414,442.26 and 162,516.84 is: 243,765.32
Step by Step Solution
- Step 1: Write the proportion equation
276,306.11 : 414,442.26 = 162,516.84 : x - Step 2: Convert to fraction form
276,306.11/414,442.26 = 162,516.84/x - Step 3: Cross multiply
276,306.11x = 414,442.26 × 162,516.84 - Step 4: Simplify right side
276,306.11x = 67,353,846,457.66 - Step 5: Solve for x
x = 67,353,846,457.66/276,306.11 - Step 6: Final answer
x = 243,765.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.