Finding the Fourth Proportional to 217,279.05, 325,918.58 and 164,791.05
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Solution
The fourth proportional to 217,279.05, 325,918.58 and 164,791.05 is: 247,186.58
Step by Step Solution
- Step 1: Write the proportion equation
217,279.05 : 325,918.58 = 164,791.05 : x - Step 2: Convert to fraction form
217,279.05/325,918.58 = 164,791.05/x - Step 3: Cross multiply
217,279.05x = 325,918.58 × 164,791.05 - Step 4: Simplify right side
217,279.05x = 53,708,464,188.75 - Step 5: Solve for x
x = 53,708,464,188.75/217,279.05 - Step 6: Final answer
x = 247,186.58
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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.