Finding the Fourth Proportional to 382,757.75, 527,065.56 and 374,261.68
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Solution
The fourth proportional to 382,757.75, 527,065.56 and 374,261.68 is: 515,366.28
Step by Step Solution
- Step 1: Write the proportion equation
382,757.75 : 527,065.56 = 374,261.68 : x - Step 2: Convert to fraction form
382,757.75/527,065.56 = 374,261.68/x - Step 3: Cross multiply
382,757.75x = 527,065.56 × 374,261.68 - Step 4: Simplify right side
382,757.75x = 197,260,439,338.40 - Step 5: Solve for x
x = 197,260,439,338.40/382,757.75 - Step 6: Final answer
x = 515,366.28
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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.