Finding the Fourth Proportional to 397,553.96, 548,634.48 and 216,276.08
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Solution
The fourth proportional to 397,553.96, 548,634.48 and 216,276.08 is: 298,466.44
Step by Step Solution
- Step 1: Write the proportion equation
397,553.96 : 548,634.48 = 216,276.08 : x - Step 2: Convert to fraction form
397,553.96/548,634.48 = 216,276.08/x - Step 3: Cross multiply
397,553.96x = 548,634.48 × 216,276.08 - Step 4: Simplify right side
397,553.96x = 118,656,514,687.24 - Step 5: Solve for x
x = 118,656,514,687.24/397,553.96 - Step 6: Final answer
x = 298,466.44
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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.