Finding the Fourth Proportional to 315,485.24, 435,370.62 and 202,308.44
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Solution
The fourth proportional to 315,485.24, 435,370.62 and 202,308.44 is: 279,186.28
Step by Step Solution
- Step 1: Write the proportion equation
315,485.24 : 435,370.62 = 202,308.44 : x - Step 2: Convert to fraction form
315,485.24/435,370.62 = 202,308.44/x - Step 3: Cross multiply
315,485.24x = 435,370.62 × 202,308.44 - Step 4: Simplify right side
315,485.24x = 88,079,150,954.03 - Step 5: Solve for x
x = 88,079,150,954.03/315,485.24 - Step 6: Final answer
x = 279,186.28
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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.