Finding the Fourth Proportional to 168,428.99, 252,517.11 and 101,855.48
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Solution
The fourth proportional to 168,428.99, 252,517.11 and 101,855.48 is: 152,706.80
Step by Step Solution
- Step 1: Write the proportion equation
168,428.99 : 252,517.11 = 101,855.48 : x - Step 2: Convert to fraction form
168,428.99/252,517.11 = 101,855.48/x - Step 3: Cross multiply
168,428.99x = 252,517.11 × 101,855.48 - Step 4: Simplify right side
168,428.99x = 25,720,251,447.26 - Step 5: Solve for x
x = 25,720,251,447.26/168,428.99 - Step 6: Final answer
x = 152,706.80
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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.