Finding the Fourth Proportional to 345,544.11, 476,687.84 and 202,215.42
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Solution
The fourth proportional to 345,544.11, 476,687.84 and 202,215.42 is: 278,961.87
Step by Step Solution
- Step 1: Write the proportion equation
345,544.11 : 476,687.84 = 202,215.42 : x - Step 2: Convert to fraction form
345,544.11/476,687.84 = 202,215.42/x - Step 3: Cross multiply
345,544.11x = 476,687.84 × 202,215.42 - Step 4: Simplify right side
345,544.11x = 96,393,630,763.42 - Step 5: Solve for x
x = 96,393,630,763.42/345,544.11 - Step 6: Final answer
x = 278,961.87
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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.