Finding the Fourth Proportional to 392,680.26, 541,883.88 and 239,973.84
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Solution
The fourth proportional to 392,680.26, 541,883.88 and 239,973.84 is: 331,154.81
Step by Step Solution
- Step 1: Write the proportion equation
392,680.26 : 541,883.88 = 239,973.84 : x - Step 2: Convert to fraction form
392,680.26/541,883.88 = 239,973.84/x - Step 3: Cross multiply
392,680.26x = 541,883.88 × 239,973.84 - Step 4: Simplify right side
392,680.26x = 130,037,955,517.70 - Step 5: Solve for x
x = 130,037,955,517.70/392,680.26 - Step 6: Final answer
x = 331,154.81
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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.