Finding the Fourth Proportional to 416,540.97, 624,390.69 and 163,998.67
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Solution
The fourth proportional to 416,540.97, 624,390.69 and 163,998.67 is: 245,832.33
Step by Step Solution
- Step 1: Write the proportion equation
416,540.97 : 624,390.69 = 163,998.67 : x - Step 2: Convert to fraction form
416,540.97/624,390.69 = 163,998.67/x - Step 3: Cross multiply
416,540.97x = 624,390.69 × 163,998.67 - Step 4: Simplify right side
416,540.97x = 102,399,238,778.44 - Step 5: Solve for x
x = 102,399,238,778.44/416,540.97 - Step 6: Final answer
x = 245,832.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.