Finding the Fourth Proportional to 115,609.99, 173,418.06 and 40,713.11
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Solution
The fourth proportional to 115,609.99, 173,418.06 and 40,713.11 is: 61,070.75
Step by Step Solution
- Step 1: Write the proportion equation
115,609.99 : 173,418.06 = 40,713.11 : x - Step 2: Convert to fraction form
115,609.99/173,418.06 = 40,713.11/x - Step 3: Cross multiply
115,609.99x = 173,418.06 × 40,713.11 - Step 4: Simplify right side
115,609.99x = 7,060,388,552.77 - Step 5: Solve for x
x = 7,060,388,552.77/115,609.99 - Step 6: Final answer
x = 61,070.75
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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.