Finding the Fourth Proportional to 215,203.20, 296,979.84 and 119,715.84
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Solution
The fourth proportional to 215,203.20, 296,979.84 and 119,715.84 is: 165,207.54
Step by Step Solution
- Step 1: Write the proportion equation
215,203.20 : 296,979.84 = 119,715.84 : x - Step 2: Convert to fraction form
215,203.20/296,979.84 = 119,715.84/x - Step 3: Cross multiply
215,203.20x = 296,979.84 × 119,715.84 - Step 4: Simplify right side
215,203.20x = 35,553,191,008.67 - Step 5: Solve for x
x = 35,553,191,008.67/215,203.20 - Step 6: Final answer
x = 165,207.54
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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.