Finding the Fourth Proportional to 253,744.26, 379,564.47 and 193,315.50
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Solution
The fourth proportional to 253,744.26, 379,564.47 and 193,315.50 is: 289,171.84
Step by Step Solution
- Step 1: Write the proportion equation
253,744.26 : 379,564.47 = 193,315.50 : x - Step 2: Convert to fraction form
253,744.26/379,564.47 = 193,315.50/x - Step 3: Cross multiply
253,744.26x = 379,564.47 × 193,315.50 - Step 4: Simplify right side
253,744.26x = 73,375,695,300.29 - Step 5: Solve for x
x = 73,375,695,300.29/253,744.26 - Step 6: Final answer
x = 289,171.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.