Finding the Fourth Proportional to 99,244.68, 148,815.84 and 29,114.88
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Solution
The fourth proportional to 99,244.68, 148,815.84 and 29,114.88 is: 43,657.31
Step by Step Solution
- Step 1: Write the proportion equation
99,244.68 : 148,815.84 = 29,114.88 : x - Step 2: Convert to fraction form
99,244.68/148,815.84 = 29,114.88/x - Step 3: Cross multiply
99,244.68x = 148,815.84 × 29,114.88 - Step 4: Simplify right side
99,244.68x = 4,332,755,323.70 - Step 5: Solve for x
x = 4,332,755,323.70/99,244.68 - Step 6: Final answer
x = 43,657.31
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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.