Finding the Fourth Proportional to 446,990.63, 616,847.07 and 245,786.63
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Solution
The fourth proportional to 446,990.63, 616,847.07 and 245,786.63 is: 339,185.55
Step by Step Solution
- Step 1: Write the proportion equation
446,990.63 : 616,847.07 = 245,786.63 : x - Step 2: Convert to fraction form
446,990.63/616,847.07 = 245,786.63/x - Step 3: Cross multiply
446,990.63x = 616,847.07 × 245,786.63 - Step 4: Simplify right side
446,990.63x = 151,612,759,476.44 - Step 5: Solve for x
x = 151,612,759,476.44/446,990.63 - Step 6: Final answer
x = 339,185.55
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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.