Finding the Fourth Proportional to 207,723.93, 311,638.33 and 57,964.09
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Solution
The fourth proportional to 207,723.93, 311,638.33 and 57,964.09 is: 86,960.77
Step by Step Solution
- Step 1: Write the proportion equation
207,723.93 : 311,638.33 = 57,964.09 : x - Step 2: Convert to fraction form
207,723.93/311,638.33 = 57,964.09/x - Step 3: Cross multiply
207,723.93x = 311,638.33 × 57,964.09 - Step 4: Simplify right side
207,723.93x = 18,063,832,207.57 - Step 5: Solve for x
x = 18,063,832,207.57/207,723.93 - Step 6: Final answer
x = 86,960.77
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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.