Finding the Fourth Proportional to 125,233.92, 187,879.68 and 40,996.80
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Solution
The fourth proportional to 125,233.92, 187,879.68 and 40,996.80 is: 61,504.63
Step by Step Solution
- Step 1: Write the proportion equation
125,233.92 : 187,879.68 = 40,996.80 : x - Step 2: Convert to fraction form
125,233.92/187,879.68 = 40,996.80/x - Step 3: Cross multiply
125,233.92x = 187,879.68 × 40,996.80 - Step 4: Simplify right side
125,233.92x = 7,702,465,665.02 - Step 5: Solve for x
x = 7,702,465,665.02/125,233.92 - Step 6: Final answer
x = 61,504.63
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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.