Finding the Fourth Proportional to 200,665.75, 300,995.17 and 67,545.99
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Solution
The fourth proportional to 200,665.75, 300,995.17 and 67,545.99 is: 101,317.82
Step by Step Solution
- Step 1: Write the proportion equation
200,665.75 : 300,995.17 = 67,545.99 : x - Step 2: Convert to fraction form
200,665.75/300,995.17 = 67,545.99/x - Step 3: Cross multiply
200,665.75x = 300,995.17 × 67,545.99 - Step 4: Simplify right side
200,665.75x = 20,331,016,742.87 - Step 5: Solve for x
x = 20,331,016,742.87/200,665.75 - Step 6: Final answer
x = 101,317.82
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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.