Finding the Fourth Proportional to 202,235.69, 279,186.29 and 125,779.43
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Solution
The fourth proportional to 202,235.69, 279,186.29 and 125,779.43 is: 173,638.45
Step by Step Solution
- Step 1: Write the proportion equation
202,235.69 : 279,186.29 = 125,779.43 : x - Step 2: Convert to fraction form
202,235.69/279,186.29 = 125,779.43/x - Step 3: Cross multiply
202,235.69x = 279,186.29 × 125,779.43 - Step 4: Simplify right side
202,235.69x = 35,115,891,407.60 - Step 5: Solve for x
x = 35,115,891,407.60/202,235.69 - Step 6: Final answer
x = 173,638.45
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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.