Finding the Fourth Proportional to 253,283.26, 349,378.59 and 167,243.02
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Solution
The fourth proportional to 253,283.26, 349,378.59 and 167,243.02 is: 230,694.80
Step by Step Solution
- Step 1: Write the proportion equation
253,283.26 : 349,378.59 = 167,243.02 : x - Step 2: Convert to fraction form
253,283.26/349,378.59 = 167,243.02/x - Step 3: Cross multiply
253,283.26x = 349,378.59 × 167,243.02 - Step 4: Simplify right side
253,283.26x = 58,431,130,514.94 - Step 5: Solve for x
x = 58,431,130,514.94/253,283.26 - Step 6: Final answer
x = 230,694.80
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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.