Finding the Fourth Proportional to 218,217.70, 327,326.55 and 165,729.70
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Solution
The fourth proportional to 218,217.70, 327,326.55 and 165,729.70 is: 248,594.55
Step by Step Solution
- Step 1: Write the proportion equation
218,217.70 : 327,326.55 = 165,729.70 : x - Step 2: Convert to fraction form
218,217.70/327,326.55 = 165,729.70/x - Step 3: Cross multiply
218,217.70x = 327,326.55 × 165,729.70 - Step 4: Simplify right side
218,217.70x = 54,247,730,933.54 - Step 5: Solve for x
x = 54,247,730,933.54/218,217.70 - Step 6: Final answer
x = 248,594.55
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1.5x scale
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.