Finding the Fourth Proportional to 397,293.97, 548,276.43 and 216,018.07
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Solution
The fourth proportional to 397,293.97, 548,276.43 and 216,018.07 is: 298,110.78
Step by Step Solution
- Step 1: Write the proportion equation
397,293.97 : 548,276.43 = 216,018.07 : x - Step 2: Convert to fraction form
397,293.97/548,276.43 = 216,018.07/x - Step 3: Cross multiply
397,293.97x = 548,276.43 × 216,018.07 - Step 4: Simplify right side
397,293.97x = 118,437,616,235.09 - Step 5: Solve for x
x = 118,437,616,235.09/397,293.97 - Step 6: Final answer
x = 298,110.78
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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.