Finding the Fourth Proportional to 203,299.09, 280,544.68 and 112,658.89
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Solution
The fourth proportional to 203,299.09, 280,544.68 and 112,658.89 is: 155,464.80
Step by Step Solution
- Step 1: Write the proportion equation
203,299.09 : 280,544.68 = 112,658.89 : x - Step 2: Convert to fraction form
203,299.09/280,544.68 = 112,658.89/x - Step 3: Cross multiply
203,299.09x = 280,544.68 × 112,658.89 - Step 4: Simplify right side
203,299.09x = 31,605,852,244.21 - Step 5: Solve for x
x = 31,605,852,244.21/203,299.09 - Step 6: Final answer
x = 155,464.80
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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.