Finding the Fourth Proportional to 397,452.48, 548,486.72 and 216,166.08
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Solution
The fourth proportional to 397,452.48, 548,486.72 and 216,166.08 is: 298,310.44
Step by Step Solution
- Step 1: Write the proportion equation
397,452.48 : 548,486.72 = 216,166.08 : x - Step 2: Convert to fraction form
397,452.48/548,486.72 = 216,166.08/x - Step 3: Cross multiply
397,452.48x = 548,486.72 × 216,166.08 - Step 4: Simplify right side
397,452.48x = 118,564,224,194.46 - Step 5: Solve for x
x = 118,564,224,194.46/397,452.48 - Step 6: Final answer
x = 298,310.44
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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.