Finding the Fourth Proportional to 203,310.67, 280,574.87 and 112,658.15
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Solution
The fourth proportional to 203,310.67, 280,574.87 and 112,658.15 is: 155,471.65
Step by Step Solution
- Step 1: Write the proportion equation
203,310.67 : 280,574.87 = 112,658.15 : x - Step 2: Convert to fraction form
203,310.67/280,574.87 = 112,658.15/x - Step 3: Cross multiply
203,310.67x = 280,574.87 × 112,658.15 - Step 4: Simplify right side
203,310.67x = 31,609,045,790.69 - Step 5: Solve for x
x = 31,609,045,790.69/203,310.67 - Step 6: Final answer
x = 155,471.65
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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.