Finding the Fourth Proportional to 183,491.88, 274,849.02 and 138,624.36
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Solution
The fourth proportional to 183,491.88, 274,849.02 and 138,624.36 is: 207,642.81
Step by Step Solution
- Step 1: Write the proportion equation
183,491.88 : 274,849.02 = 138,624.36 : x - Step 2: Convert to fraction form
183,491.88/274,849.02 = 138,624.36/x - Step 3: Cross multiply
183,491.88x = 274,849.02 × 138,624.36 - Step 4: Simplify right side
183,491.88x = 38,100,769,494.13 - Step 5: Solve for x
x = 38,100,769,494.13/183,491.88 - Step 6: Final answer
x = 207,642.81
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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.