Finding the Fourth Proportional to 521,858.75, 782,541.39 and 202,160.35
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Solution
The fourth proportional to 521,858.75, 782,541.39 and 202,160.35 is: 303,144.95
Step by Step Solution
- Step 1: Write the proportion equation
521,858.75 : 782,541.39 = 202,160.35 : x - Step 2: Convert to fraction form
521,858.75/782,541.39 = 202,160.35/x - Step 3: Cross multiply
521,858.75x = 782,541.39 × 202,160.35 - Step 4: Simplify right side
521,858.75x = 158,198,841,291.89 - Step 5: Solve for x
x = 158,198,841,291.89/521,858.75 - Step 6: Final answer
x = 303,144.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.