Finding the Fourth Proportional to 397,381.52, 548,364.66 and 216,093.26
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Solution
The fourth proportional to 397,381.52, 548,364.66 and 216,093.26 is: 298,196.82
Step by Step Solution
- Step 1: Write the proportion equation
397,381.52 : 548,364.66 = 216,093.26 : x - Step 2: Convert to fraction form
397,381.52/548,364.66 = 216,093.26/x - Step 3: Cross multiply
397,381.52x = 548,364.66 × 216,093.26 - Step 4: Simplify right side
397,381.52x = 118,497,907,048.19 - Step 5: Solve for x
x = 118,497,907,048.19/397,381.52 - Step 6: Final answer
x = 298,196.82
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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.