Finding the Fourth Proportional to 99,553.08, 149,284.26 and 43,390.92
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Solution
The fourth proportional to 99,553.08, 149,284.26 and 43,390.92 is: 65,066.61
Step by Step Solution
- Step 1: Write the proportion equation
99,553.08 : 149,284.26 = 43,390.92 : x - Step 2: Convert to fraction form
99,553.08/149,284.26 = 43,390.92/x - Step 3: Cross multiply
99,553.08x = 149,284.26 × 43,390.92 - Step 4: Simplify right side
99,553.08x = 6,477,581,382.92 - Step 5: Solve for x
x = 6,477,581,382.92/99,553.08 - Step 6: Final answer
x = 65,066.61
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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.