Finding the Fourth Proportional to 263,595.75, 395,514.12 and 143,472.75
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Solution
The fourth proportional to 263,595.75, 395,514.12 and 143,472.75 is: 215,274.71
Step by Step Solution
- Step 1: Write the proportion equation
263,595.75 : 395,514.12 = 143,472.75 : x - Step 2: Convert to fraction form
263,595.75/395,514.12 = 143,472.75/x - Step 3: Cross multiply
263,595.75x = 395,514.12 × 143,472.75 - Step 4: Simplify right side
263,595.75x = 56,745,498,460.23 - Step 5: Solve for x
x = 56,745,498,460.23/263,595.75 - Step 6: Final answer
x = 215,274.71
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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.