Finding the Fourth Proportional to 207,536.16, 311,470.88 and 107,725.44
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Solution
The fourth proportional to 207,536.16, 311,470.88 and 107,725.44 is: 161,674.66
Step by Step Solution
- Step 1: Write the proportion equation
207,536.16 : 311,470.88 = 107,725.44 : x - Step 2: Convert to fraction form
207,536.16/311,470.88 = 107,725.44/x - Step 3: Cross multiply
207,536.16x = 311,470.88 × 107,725.44 - Step 4: Simplify right side
207,536.16x = 33,553,337,595.19 - Step 5: Solve for x
x = 33,553,337,595.19/207,536.16 - Step 6: Final answer
x = 161,674.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.