Finding the Fourth Proportional to 107,084.07, 160,634.00 and 28,197.75
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Solution
The fourth proportional to 107,084.07, 160,634.00 and 28,197.75 is: 42,298.70
Step by Step Solution
- Step 1: Write the proportion equation
107,084.07 : 160,634.00 = 28,197.75 : x - Step 2: Convert to fraction form
107,084.07/160,634.00 = 28,197.75/x - Step 3: Cross multiply
107,084.07x = 160,634.00 × 28,197.75 - Step 4: Simplify right side
107,084.07x = 4,529,517,232.51 - Step 5: Solve for x
x = 4,529,517,232.51/107,084.07 - Step 6: Final answer
x = 42,298.70
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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.