Finding the Fourth Proportional to 397,548.97, 548,601.75 and 216,261.13
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Solution
The fourth proportional to 397,548.97, 548,601.75 and 216,261.13 is: 298,431.75
Step by Step Solution
- Step 1: Write the proportion equation
397,548.97 : 548,601.75 = 216,261.13 : x - Step 2: Convert to fraction form
397,548.97/548,601.75 = 216,261.13/x - Step 3: Cross multiply
397,548.97x = 548,601.75 × 216,261.13 - Step 4: Simplify right side
397,548.97x = 118,641,233,293.67 - Step 5: Solve for x
x = 118,641,233,293.67/397,548.97 - Step 6: Final answer
x = 298,431.75
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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.