Finding the Fourth Proportional to 99,933.16, 149,899.74 and 29,861.68
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Solution
The fourth proportional to 99,933.16, 149,899.74 and 29,861.68 is: 44,792.52
Step by Step Solution
- Step 1: Write the proportion equation
99,933.16 : 149,899.74 = 29,861.68 : x - Step 2: Convert to fraction form
99,933.16/149,899.74 = 29,861.68/x - Step 3: Cross multiply
99,933.16x = 149,899.74 × 29,861.68 - Step 4: Simplify right side
99,933.16x = 4,476,258,067.96 - Step 5: Solve for x
x = 4,476,258,067.96/99,933.16 - Step 6: Final answer
x = 44,792.52
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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.