Finding the Fourth Proportional to 307,640.24, 424,542.74 and 171,672.75
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Solution
The fourth proportional to 307,640.24, 424,542.74 and 171,672.75 is: 236,907.94
Step by Step Solution
- Step 1: Write the proportion equation
307,640.24 : 424,542.74 = 171,672.75 : x - Step 2: Convert to fraction form
307,640.24/424,542.74 = 171,672.75/x - Step 3: Cross multiply
307,640.24x = 424,542.74 × 171,672.75 - Step 4: Simplify right side
307,640.24x = 72,882,416,687.26 - Step 5: Solve for x
x = 72,882,416,687.26/307,640.24 - Step 6: Final answer
x = 236,907.94
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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.