Finding the Fourth Proportional to 269,809.44, 372,668.18 and 202,129.08
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Solution
The fourth proportional to 269,809.44, 372,668.18 and 202,129.08 is: 279,186.22
Step by Step Solution
- Step 1: Write the proportion equation
269,809.44 : 372,668.18 = 202,129.08 : x - Step 2: Convert to fraction form
269,809.44/372,668.18 = 202,129.08/x - Step 3: Cross multiply
269,809.44x = 372,668.18 × 202,129.08 - Step 4: Simplify right side
269,809.44x = 75,327,076,368.67 - Step 5: Solve for x
x = 75,327,076,368.67/269,809.44 - Step 6: Final answer
x = 279,186.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.