Finding the Fourth Proportional to 532,478.21, 798,571.84 and 190,857.97
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Solution
The fourth proportional to 532,478.21, 798,571.84 and 190,857.97 is: 286,234.80
Step by Step Solution
- Step 1: Write the proportion equation
532,478.21 : 798,571.84 = 190,857.97 : x - Step 2: Convert to fraction form
532,478.21/798,571.84 = 190,857.97/x - Step 3: Cross multiply
532,478.21x = 798,571.84 × 190,857.97 - Step 4: Simplify right side
532,478.21x = 152,413,796,847.46 - Step 5: Solve for x
x = 152,413,796,847.46/532,478.21 - Step 6: Final answer
x = 286,234.80
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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.