Finding the Fourth Proportional to 253,744.76, 379,565.22 and 193,315.99
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Solution
The fourth proportional to 253,744.76, 379,565.22 and 193,315.99 is: 289,172.58
Step by Step Solution
- Step 1: Write the proportion equation
253,744.76 : 379,565.22 = 193,315.99 : x - Step 2: Convert to fraction form
253,744.76/379,565.22 = 193,315.99/x - Step 3: Cross multiply
253,744.76x = 379,565.22 × 193,315.99 - Step 4: Simplify right side
253,744.76x = 73,376,026,273.87 - Step 5: Solve for x
x = 73,376,026,273.87/253,744.76 - Step 6: Final answer
x = 289,172.58
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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.