Finding the Fourth Proportional to 168,202.80, 252,655.20 and 141,958.80
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Solution
The fourth proportional to 168,202.80, 252,655.20 and 141,958.80 is: 213,234.43
Step by Step Solution
- Step 1: Write the proportion equation
168,202.80 : 252,655.20 = 141,958.80 : x - Step 2: Convert to fraction form
168,202.80/252,655.20 = 141,958.80/x - Step 3: Cross multiply
168,202.80x = 252,655.20 × 141,958.80 - Step 4: Simplify right side
168,202.80x = 35,866,629,005.76 - Step 5: Solve for x
x = 35,866,629,005.76/168,202.80 - Step 6: Final answer
x = 213,234.43
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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.