Finding the Fourth Proportional to 354,453.26, 489,126.07 and 201,470.24
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Solution
The fourth proportional to 354,453.26, 489,126.07 and 201,470.24 is: 278,017.88
Step by Step Solution
- Step 1: Write the proportion equation
354,453.26 : 489,126.07 = 201,470.24 : x - Step 2: Convert to fraction form
354,453.26/489,126.07 = 201,470.24/x - Step 3: Cross multiply
354,453.26x = 489,126.07 × 201,470.24 - Step 4: Simplify right side
354,453.26x = 98,544,343,260.18 - Step 5: Solve for x
x = 98,544,343,260.18/354,453.26 - Step 6: Final answer
x = 278,017.88
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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.