Finding the Fourth Proportional to 315,481.24, 435,365.10 and 202,304.44
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Solution
The fourth proportional to 315,481.24, 435,365.10 and 202,304.44 is: 279,180.76
Step by Step Solution
- Step 1: Write the proportion equation
315,481.24 : 435,365.10 = 202,304.44 : x - Step 2: Convert to fraction form
315,481.24/435,365.10 = 202,304.44/x - Step 3: Cross multiply
315,481.24x = 435,365.10 × 202,304.44 - Step 4: Simplify right side
315,481.24x = 88,076,292,751.04 - Step 5: Solve for x
x = 88,076,292,751.04/315,481.24 - Step 6: Final answer
x = 279,180.76
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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.