Finding the Fourth Proportional to 215,181.50, 296,986.50 and 124,521.84
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Solution
The fourth proportional to 215,181.50, 296,986.50 and 124,521.84 is: 171,860.99
Step by Step Solution
- Step 1: Write the proportion equation
215,181.50 : 296,986.50 = 124,521.84 : x - Step 2: Convert to fraction form
215,181.50/296,986.50 = 124,521.84/x - Step 3: Cross multiply
215,181.50x = 296,986.50 × 124,521.84 - Step 4: Simplify right side
215,181.50x = 36,981,305,435.16 - Step 5: Solve for x
x = 36,981,305,435.16/215,181.50 - Step 6: Final answer
x = 171,860.99
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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.