Finding the Fourth Proportional to 99,531.60, 149,322.68 and 29,410.91
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Solution
The fourth proportional to 99,531.60, 149,322.68 and 29,410.91 is: 44,123.84
Step by Step Solution
- Step 1: Write the proportion equation
99,531.60 : 149,322.68 = 29,410.91 : x - Step 2: Convert to fraction form
99,531.60/149,322.68 = 29,410.91/x - Step 3: Cross multiply
99,531.60x = 149,322.68 × 29,410.91 - Step 4: Simplify right side
99,531.60x = 4,391,715,902.44 - Step 5: Solve for x
x = 4,391,715,902.44/99,531.60 - Step 6: Final answer
x = 44,123.84
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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.