Finding the Fourth Proportional to 272,065.09, 408,098.58 and 82,527.09
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Solution
The fourth proportional to 272,065.09, 408,098.58 and 82,527.09 is: 123,790.92
Step by Step Solution
- Step 1: Write the proportion equation
272,065.09 : 408,098.58 = 82,527.09 : x - Step 2: Convert to fraction form
272,065.09/408,098.58 = 82,527.09/x - Step 3: Cross multiply
272,065.09x = 408,098.58 × 82,527.09 - Step 4: Simplify right side
272,065.09x = 33,679,186,632.79 - Step 5: Solve for x
x = 33,679,186,632.79/272,065.09 - Step 6: Final answer
x = 123,790.92
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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.