Finding the Fourth Proportional to 374,087.25, 515,153.11 and 325,006.18
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Solution
The fourth proportional to 374,087.25, 515,153.11 and 325,006.18 is: 447,563.88
Step by Step Solution
- Step 1: Write the proportion equation
374,087.25 : 515,153.11 = 325,006.18 : x - Step 2: Convert to fraction form
374,087.25/515,153.11 = 325,006.18/x - Step 3: Cross multiply
374,087.25x = 515,153.11 × 325,006.18 - Step 4: Simplify right side
374,087.25x = 167,427,940,195.42 - Step 5: Solve for x
x = 167,427,940,195.42/374,087.25 - Step 6: Final answer
x = 447,563.88
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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.