Finding the Fourth Proportional to 111,292.24, 166,948.68 and 36,412.84
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Solution
The fourth proportional to 111,292.24, 166,948.68 and 36,412.84 is: 54,622.64
Step by Step Solution
- Step 1: Write the proportion equation
111,292.24 : 166,948.68 = 36,412.84 : x - Step 2: Convert to fraction form
111,292.24/166,948.68 = 36,412.84/x - Step 3: Cross multiply
111,292.24x = 166,948.68 × 36,412.84 - Step 4: Simplify right side
111,292.24x = 6,079,075,573.05 - Step 5: Solve for x
x = 6,079,075,573.05/111,292.24 - Step 6: Final answer
x = 54,622.64
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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.