Finding the Fourth Proportional to 215,171.91, 296,952.08 and 119,687.49
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Solution
The fourth proportional to 215,171.91, 296,952.08 and 119,687.49 is: 165,176.99
Step by Step Solution
- Step 1: Write the proportion equation
215,171.91 : 296,952.08 = 119,687.49 : x - Step 2: Convert to fraction form
215,171.91/296,952.08 = 119,687.49/x - Step 3: Cross multiply
215,171.91x = 296,952.08 × 119,687.49 - Step 4: Simplify right side
215,171.91x = 35,541,448,507.04 - Step 5: Solve for x
x = 35,541,448,507.04/215,171.91 - Step 6: Final answer
x = 165,176.99
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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.