Finding the Fourth Proportional to 397,515.06, 548,585.22 and 227,781.99
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Solution
The fourth proportional to 397,515.06, 548,585.22 and 227,781.99 is: 314,347.42
Step by Step Solution
- Step 1: Write the proportion equation
397,515.06 : 548,585.22 = 227,781.99 : x - Step 2: Convert to fraction form
397,515.06/548,585.22 = 227,781.99/x - Step 3: Cross multiply
397,515.06x = 548,585.22 × 227,781.99 - Step 4: Simplify right side
397,515.06x = 124,957,833,096.19 - Step 5: Solve for x
x = 124,957,833,096.19/397,515.06 - Step 6: Final answer
x = 314,347.42
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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.