Finding the Fourth Proportional to 209,952.50, 289,745.97 and 120,534.26
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Solution
The fourth proportional to 209,952.50, 289,745.97 and 120,534.26 is: 166,343.89
Step by Step Solution
- Step 1: Write the proportion equation
209,952.50 : 289,745.97 = 120,534.26 : x - Step 2: Convert to fraction form
209,952.50/289,745.97 = 120,534.26/x - Step 3: Cross multiply
209,952.50x = 289,745.97 × 120,534.26 - Step 4: Simplify right side
209,952.50x = 34,924,316,081.93 - Step 5: Solve for x
x = 34,924,316,081.93/209,952.50 - Step 6: Final answer
x = 166,343.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.