Finding the Fourth Proportional to 275,016.13, 412,707.15 and 113,042.99
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Solution
The fourth proportional to 275,016.13, 412,707.15 and 113,042.99 is: 169,639.69
Step by Step Solution
- Step 1: Write the proportion equation
275,016.13 : 412,707.15 = 113,042.99 : x - Step 2: Convert to fraction form
275,016.13/412,707.15 = 113,042.99/x - Step 3: Cross multiply
275,016.13x = 412,707.15 × 113,042.99 - Step 4: Simplify right side
275,016.13x = 46,653,651,262.15 - Step 5: Solve for x
x = 46,653,651,262.15/275,016.13 - Step 6: Final answer
x = 169,639.69
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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.