Finding the Fourth Proportional to 102,727.36, 154,171.36 and 52,805.44
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Solution
The fourth proportional to 102,727.36, 154,171.36 and 52,805.44 is: 79,249.45
Step by Step Solution
- Step 1: Write the proportion equation
102,727.36 : 154,171.36 = 52,805.44 : x - Step 2: Convert to fraction form
102,727.36/154,171.36 = 52,805.44/x - Step 3: Cross multiply
102,727.36x = 154,171.36 × 52,805.44 - Step 4: Simplify right side
102,727.36x = 8,141,086,500.20 - Step 5: Solve for x
x = 8,141,086,500.20/102,727.36 - Step 6: Final answer
x = 79,249.45
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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.