Finding the Fourth Proportional to 217,474.53, 326,241.44 and 126,332.75
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Solution
The fourth proportional to 217,474.53, 326,241.44 and 126,332.75 is: 189,516.35
Step by Step Solution
- Step 1: Write the proportion equation
217,474.53 : 326,241.44 = 126,332.75 : x - Step 2: Convert to fraction form
217,474.53/326,241.44 = 126,332.75/x - Step 3: Cross multiply
217,474.53x = 326,241.44 × 126,332.75 - Step 4: Simplify right side
217,474.53x = 41,214,978,279.16 - Step 5: Solve for x
x = 41,214,978,279.16/217,474.53 - Step 6: Final answer
x = 189,516.35
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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.