Finding the Fourth Proportional to 99,612.62, 149,440.79 and 29,497.38
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Solution
The fourth proportional to 99,612.62, 149,440.79 and 29,497.38 is: 44,252.54
Step by Step Solution
- Step 1: Write the proportion equation
99,612.62 : 149,440.79 = 29,497.38 : x - Step 2: Convert to fraction form
99,612.62/149,440.79 = 29,497.38/x - Step 3: Cross multiply
99,612.62x = 149,440.79 × 29,497.38 - Step 4: Simplify right side
99,612.62x = 4,408,111,770.13 - Step 5: Solve for x
x = 4,408,111,770.13/99,612.62 - Step 6: Final answer
x = 44,252.54
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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.