Finding the Fourth Proportional to 213,853.68, 320,687.64 and 101,566.08
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Solution
The fourth proportional to 213,853.68, 320,687.64 and 101,566.08 is: 152,305.01
Step by Step Solution
- Step 1: Write the proportion equation
213,853.68 : 320,687.64 = 101,566.08 : x - Step 2: Convert to fraction form
213,853.68/320,687.64 = 101,566.08/x - Step 3: Cross multiply
213,853.68x = 320,687.64 × 101,566.08 - Step 4: Simplify right side
213,853.68x = 32,570,986,499.25 - Step 5: Solve for x
x = 32,570,986,499.25/213,853.68 - Step 6: Final answer
x = 152,305.01
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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.