Finding the Fourth Proportional to 658,317.11, 987,721.70 and 259,236.08
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Solution
The fourth proportional to 658,317.11, 987,721.70 and 259,236.08 is: 388,951.00
Step by Step Solution
- Step 1: Write the proportion equation
658,317.11 : 987,721.70 = 259,236.08 : x - Step 2: Convert to fraction form
658,317.11/987,721.70 = 259,236.08/x - Step 3: Cross multiply
658,317.11x = 987,721.70 × 259,236.08 - Step 4: Simplify right side
658,317.11x = 256,053,095,404.15 - Step 5: Solve for x
x = 256,053,095,404.15/658,317.11 - Step 6: Final answer
x = 388,951.00
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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.