Finding the Fourth Proportional to 354,876.63, 489,729.27 and 227,551.92
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Solution
The fourth proportional to 354,876.63, 489,729.27 and 227,551.92 is: 314,021.34
Step by Step Solution
- Step 1: Write the proportion equation
354,876.63 : 489,729.27 = 227,551.92 : x - Step 2: Convert to fraction form
354,876.63/489,729.27 = 227,551.92/x - Step 3: Cross multiply
354,876.63x = 489,729.27 × 227,551.92 - Step 4: Simplify right side
354,876.63x = 111,438,833,220.05 - Step 5: Solve for x
x = 111,438,833,220.05/354,876.63 - Step 6: Final answer
x = 314,021.34
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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.