Finding the Fourth Proportional to 115,609.33, 173,427.89 and 40,713.99
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Solution
The fourth proportional to 115,609.33, 173,427.89 and 40,713.99 is: 61,075.88
Step by Step Solution
- Step 1: Write the proportion equation
115,609.33 : 173,427.89 = 40,713.99 : x - Step 2: Convert to fraction form
115,609.33/173,427.89 = 40,713.99/x - Step 3: Cross multiply
115,609.33x = 173,427.89 × 40,713.99 - Step 4: Simplify right side
115,609.33x = 7,060,941,379.18 - Step 5: Solve for x
x = 7,060,941,379.18/115,609.33 - Step 6: Final answer
x = 61,075.88
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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.