Finding the Fourth Proportional to 213,549.20, 320,352.60 and 73,350.80
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Solution
The fourth proportional to 213,549.20, 320,352.60 and 73,350.80 is: 110,036.09
Step by Step Solution
- Step 1: Write the proportion equation
213,549.20 : 320,352.60 = 73,350.80 : x - Step 2: Convert to fraction form
213,549.20/320,352.60 = 73,350.80/x - Step 3: Cross multiply
213,549.20x = 320,352.60 × 73,350.80 - Step 4: Simplify right side
213,549.20x = 23,498,119,492.08 - Step 5: Solve for x
x = 23,498,119,492.08/213,549.20 - Step 6: Final answer
x = 110,036.09
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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.