Finding the Fourth Proportional to 99,489.58, 149,250.58 and 29,375.98
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Solution
The fourth proportional to 99,489.58, 149,250.58 and 29,375.98 is: 44,068.76
Step by Step Solution
- Step 1: Write the proportion equation
99,489.58 : 149,250.58 = 29,375.98 : x - Step 2: Convert to fraction form
99,489.58/149,250.58 = 29,375.98/x - Step 3: Cross multiply
99,489.58x = 149,250.58 × 29,375.98 - Step 4: Simplify right side
99,489.58x = 4,384,382,053.07 - Step 5: Solve for x
x = 4,384,382,053.07/99,489.58 - Step 6: Final answer
x = 44,068.76
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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.