Finding the Fourth Proportional to 392,366.44, 541,628.40 and 265,214.26
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Solution
The fourth proportional to 392,366.44, 541,628.40 and 265,214.26 is: 366,105.66
Step by Step Solution
- Step 1: Write the proportion equation
392,366.44 : 541,628.40 = 265,214.26 : x - Step 2: Convert to fraction form
392,366.44/541,628.40 = 265,214.26/x - Step 3: Cross multiply
392,366.44x = 541,628.40 × 265,214.26 - Step 4: Simplify right side
392,366.44x = 143,647,575,300.98 - Step 5: Solve for x
x = 143,647,575,300.98/392,366.44 - Step 6: Final answer
x = 366,105.66
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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.