Finding the Fourth Proportional to 253,905.68, 350,207.88 and 167,764.88
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Solution
The fourth proportional to 253,905.68, 350,207.88 and 167,764.88 is: 231,395.31
Step by Step Solution
- Step 1: Write the proportion equation
253,905.68 : 350,207.88 = 167,764.88 : x - Step 2: Convert to fraction form
253,905.68/350,207.88 = 167,764.88/x - Step 3: Cross multiply
253,905.68x = 350,207.88 × 167,764.88 - Step 4: Simplify right side
253,905.68x = 58,752,582,963.25 - Step 5: Solve for x
x = 58,752,582,963.25/253,905.68 - Step 6: Final answer
x = 231,395.31
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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.