Finding the Fourth Proportional to 168,207.80, 252,662.70 and 141,963.80
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Solution
The fourth proportional to 168,207.80, 252,662.70 and 141,963.80 is: 213,241.94
Step by Step Solution
- Step 1: Write the proportion equation
168,207.80 : 252,662.70 = 141,963.80 : x - Step 2: Convert to fraction form
168,207.80/252,662.70 = 141,963.80/x - Step 3: Cross multiply
168,207.80x = 252,662.70 × 141,963.80 - Step 4: Simplify right side
168,207.80x = 35,868,957,010.26 - Step 5: Solve for x
x = 35,868,957,010.26/168,207.80 - Step 6: Final answer
x = 213,241.94
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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.