Finding the Fourth Proportional to 397,684.68, 548,800.24 and 216,393.49
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Solution
The fourth proportional to 397,684.68, 548,800.24 and 216,393.49 is: 298,620.50
Step by Step Solution
- Step 1: Write the proportion equation
397,684.68 : 548,800.24 = 216,393.49 : x - Step 2: Convert to fraction form
397,684.68/548,800.24 = 216,393.49/x - Step 3: Cross multiply
397,684.68x = 548,800.24 × 216,393.49 - Step 4: Simplify right side
397,684.68x = 118,756,797,999.91 - Step 5: Solve for x
x = 118,756,797,999.91/397,684.68 - Step 6: Final answer
x = 298,620.50
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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.