Finding the Fourth Proportional to 107,057.13, 160,618.14 and 40,517.70
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Solution
The fourth proportional to 107,057.13, 160,618.14 and 40,517.70 is: 60,788.83
Step by Step Solution
- Step 1: Write the proportion equation
107,057.13 : 160,618.14 = 40,517.70 : x - Step 2: Convert to fraction form
107,057.13/160,618.14 = 40,517.70/x - Step 3: Cross multiply
107,057.13x = 160,618.14 × 40,517.70 - Step 4: Simplify right side
107,057.13x = 6,507,877,611.08 - Step 5: Solve for x
x = 6,507,877,611.08/107,057.13 - Step 6: Final answer
x = 60,788.83
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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.