Finding the Fourth Proportional to 526,230.26, 726,186.93 and 287,766.26
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Solution
The fourth proportional to 526,230.26, 726,186.93 and 287,766.26 is: 397,111.52
Step by Step Solution
- Step 1: Write the proportion equation
526,230.26 : 726,186.93 = 287,766.26 : x - Step 2: Convert to fraction form
526,230.26/726,186.93 = 287,766.26/x - Step 3: Cross multiply
526,230.26x = 726,186.93 × 287,766.26 - Step 4: Simplify right side
526,230.26x = 208,972,096,906.98 - Step 5: Solve for x
x = 208,972,096,906.98/526,230.26 - Step 6: Final answer
x = 397,111.52
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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.