Finding the Fourth Proportional to 410,998.20, 616,497.30 and 115,471.80
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Solution
The fourth proportional to 410,998.20, 616,497.30 and 115,471.80 is: 173,207.70
Step by Step Solution
- Step 1: Write the proportion equation
410,998.20 : 616,497.30 = 115,471.80 : x - Step 2: Convert to fraction form
410,998.20/616,497.30 = 115,471.80/x - Step 3: Cross multiply
410,998.20x = 616,497.30 × 115,471.80 - Step 4: Simplify right side
410,998.20x = 71,188,052,926.14 - Step 5: Solve for x
x = 71,188,052,926.14/410,998.20 - Step 6: Final answer
x = 173,207.70
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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.