Finding the Fourth Proportional to 198,579.38, 273,850.94 and 130,653.99
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Solution
The fourth proportional to 198,579.38, 273,850.94 and 130,653.99 is: 180,178.42
Step by Step Solution
- Step 1: Write the proportion equation
198,579.38 : 273,850.94 = 130,653.99 : x - Step 2: Convert to fraction form
198,579.38/273,850.94 = 130,653.99/x - Step 3: Cross multiply
198,579.38x = 273,850.94 × 130,653.99 - Step 4: Simplify right side
198,579.38x = 35,779,718,302.89 - Step 5: Solve for x
x = 35,779,718,302.89/198,579.38 - Step 6: Final answer
x = 180,178.42
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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.