Finding the Fourth Proportional to 99,770.16, 149,605.20 and 33,186.84
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Solution
The fourth proportional to 99,770.16, 149,605.20 and 33,186.84 is: 49,763.62
Step by Step Solution
- Step 1: Write the proportion equation
99,770.16 : 149,605.20 = 33,186.84 : x - Step 2: Convert to fraction form
99,770.16/149,605.20 = 33,186.84/x - Step 3: Cross multiply
99,770.16x = 149,605.20 × 33,186.84 - Step 4: Simplify right side
99,770.16x = 4,964,923,835.57 - Step 5: Solve for x
x = 4,964,923,835.57/99,770.16 - Step 6: Final answer
x = 49,763.62
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1.5x scale
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.