Finding the Fourth Proportional to 99,604.32, 149,435.66 and 32,134.99
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Solution
The fourth proportional to 99,604.32, 149,435.66 and 32,134.99 is: 48,211.89
Step by Step Solution
- Step 1: Write the proportion equation
99,604.32 : 149,435.66 = 32,134.99 : x - Step 2: Convert to fraction form
99,604.32/149,435.66 = 32,134.99/x - Step 3: Cross multiply
99,604.32x = 149,435.66 × 32,134.99 - Step 4: Simplify right side
99,604.32x = 4,802,112,612.23 - Step 5: Solve for x
x = 4,802,112,612.23/99,604.32 - Step 6: Final answer
x = 48,211.89
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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.