Finding the Fourth Proportional to 149,586.98, 206,415.69 and 82,514.66
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Solution
The fourth proportional to 149,586.98, 206,415.69 and 82,514.66 is: 113,862.32
Step by Step Solution
- Step 1: Write the proportion equation
149,586.98 : 206,415.69 = 82,514.66 : x - Step 2: Convert to fraction form
149,586.98/206,415.69 = 82,514.66/x - Step 3: Cross multiply
149,586.98x = 206,415.69 × 82,514.66 - Step 4: Simplify right side
149,586.98x = 17,032,320,479.02 - Step 5: Solve for x
x = 17,032,320,479.02/149,586.98 - Step 6: Final answer
x = 113,862.32
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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.