Finding the Fourth Proportional to 371,524.12, 512,521.50 and 220,514.20
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Solution
The fourth proportional to 371,524.12, 512,521.50 and 220,514.20 is: 304,201.70
Step by Step Solution
- Step 1: Write the proportion equation
371,524.12 : 512,521.50 = 220,514.20 : x - Step 2: Convert to fraction form
371,524.12/512,521.50 = 220,514.20/x - Step 3: Cross multiply
371,524.12x = 512,521.50 × 220,514.20 - Step 4: Simplify right side
371,524.12x = 113,018,268,555.30 - Step 5: Solve for x
x = 113,018,268,555.30/371,524.12 - Step 6: Final answer
x = 304,201.70
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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.