Finding the Fourth Proportional to 254,859.28, 351,713.46 and 140,131.99
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Solution
The fourth proportional to 254,859.28, 351,713.46 and 140,131.99 is: 193,386.35
Step by Step Solution
- Step 1: Write the proportion equation
254,859.28 : 351,713.46 = 140,131.99 : x - Step 2: Convert to fraction form
254,859.28/351,713.46 = 140,131.99/x - Step 3: Cross multiply
254,859.28x = 351,713.46 × 140,131.99 - Step 4: Simplify right side
254,859.28x = 49,286,307,059.59 - Step 5: Solve for x
x = 49,286,307,059.59/254,859.28 - Step 6: Final answer
x = 193,386.35
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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.