Finding the Fourth Proportional to 215,079.12, 296,803.08 and 119,584.08
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Solution
The fourth proportional to 215,079.12, 296,803.08 and 119,584.08 is: 165,022.64
Step by Step Solution
- Step 1: Write the proportion equation
215,079.12 : 296,803.08 = 119,584.08 : x - Step 2: Convert to fraction form
215,079.12/296,803.08 = 119,584.08/x - Step 3: Cross multiply
215,079.12x = 296,803.08 × 119,584.08 - Step 4: Simplify right side
215,079.12x = 35,492,923,262.97 - Step 5: Solve for x
x = 35,492,923,262.97/215,079.12 - Step 6: Final answer
x = 165,022.64
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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.