Finding the Fourth Proportional to 215,144.32, 296,903.36 and 119,651.20
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Solution
The fourth proportional to 215,144.32, 296,903.36 and 119,651.20 is: 165,120.99
Step by Step Solution
- Step 1: Write the proportion equation
215,144.32 : 296,903.36 = 119,651.20 : x - Step 2: Convert to fraction form
215,144.32/296,903.36 = 119,651.20/x - Step 3: Cross multiply
215,144.32x = 296,903.36 × 119,651.20 - Step 4: Simplify right side
215,144.32x = 35,524,843,308.03 - Step 5: Solve for x
x = 35,524,843,308.03/215,144.32 - Step 6: Final answer
x = 165,120.99
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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.