Finding the Fourth Proportional to 99,639.08, 149,458.03 and 24,759.17
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Solution
The fourth proportional to 99,639.08, 149,458.03 and 24,759.17 is: 37,138.61
Step by Step Solution
- Step 1: Write the proportion equation
99,639.08 : 149,458.03 = 24,759.17 : x - Step 2: Convert to fraction form
99,639.08/149,458.03 = 24,759.17/x - Step 3: Cross multiply
99,639.08x = 149,458.03 × 24,759.17 - Step 4: Simplify right side
99,639.08x = 3,700,456,523.91 - Step 5: Solve for x
x = 3,700,456,523.91/99,639.08 - Step 6: Final answer
x = 37,138.61
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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.