Finding the Fourth Proportional to 176,443.76, 264,516.84 and 76,528.69
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Solution
The fourth proportional to 176,443.76, 264,516.84 and 76,528.69 is: 114,728.49
Step by Step Solution
- Step 1: Write the proportion equation
176,443.76 : 264,516.84 = 76,528.69 : x - Step 2: Convert to fraction form
176,443.76/264,516.84 = 76,528.69/x - Step 3: Cross multiply
176,443.76x = 264,516.84 × 76,528.69 - Step 4: Simplify right side
176,443.76x = 20,243,126,586.85 - Step 5: Solve for x
x = 20,243,126,586.85/176,443.76 - Step 6: Final answer
x = 114,728.49
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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.