Finding the Fourth Proportional to 397,122.44, 548,032.56 and 215,834.81
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Solution
The fourth proportional to 397,122.44, 548,032.56 and 215,834.81 is: 297,853.99
Step by Step Solution
- Step 1: Write the proportion equation
397,122.44 : 548,032.56 = 215,834.81 : x - Step 2: Convert to fraction form
397,122.44/548,032.56 = 215,834.81/x - Step 3: Cross multiply
397,122.44x = 548,032.56 × 215,834.81 - Step 4: Simplify right side
397,122.44x = 118,284,500,721.25 - Step 5: Solve for x
x = 118,284,500,721.25/397,122.44 - Step 6: Final answer
x = 297,853.99
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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.