Finding the Fourth Proportional to 253,905.18, 350,207.19 and 167,764.38
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Solution
The fourth proportional to 253,905.18, 350,207.19 and 167,764.38 is: 231,394.62
Step by Step Solution
- Step 1: Write the proportion equation
253,905.18 : 350,207.19 = 167,764.38 : x - Step 2: Convert to fraction form
253,905.18/350,207.19 = 167,764.38/x - Step 3: Cross multiply
253,905.18x = 350,207.19 × 167,764.38 - Step 4: Simplify right side
253,905.18x = 58,752,292,101.89 - Step 5: Solve for x
x = 58,752,292,101.89/253,905.18 - Step 6: Final answer
x = 231,394.62
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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.