Finding the Fourth Proportional to 317,174.42, 475,687.99 and 189,126.46
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Solution
The fourth proportional to 317,174.42, 475,687.99 and 189,126.46 is: 283,645.78
Step by Step Solution
- Step 1: Write the proportion equation
317,174.42 : 475,687.99 = 189,126.46 : x - Step 2: Convert to fraction form
317,174.42/475,687.99 = 189,126.46/x - Step 3: Cross multiply
317,174.42x = 475,687.99 × 189,126.46 - Step 4: Simplify right side
317,174.42x = 89,965,185,613.22 - Step 5: Solve for x
x = 89,965,185,613.22/317,174.42 - Step 6: Final answer
x = 283,645.78
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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.