Finding the Fourth Proportional to 496,486.24, 685,116.35 and 281,660.87
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Solution
The fourth proportional to 496,486.24, 685,116.35 and 281,660.87 is: 388,672.34
Step by Step Solution
- Step 1: Write the proportion equation
496,486.24 : 685,116.35 = 281,660.87 : x - Step 2: Convert to fraction form
496,486.24/685,116.35 = 281,660.87/x - Step 3: Cross multiply
496,486.24x = 685,116.35 × 281,660.87 - Step 4: Simplify right side
496,486.24x = 192,970,467,192.23 - Step 5: Solve for x
x = 192,970,467,192.23/496,486.24 - Step 6: Final answer
x = 388,672.34
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1.5x scale
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.