Finding the Fourth Proportional to 212,226.26, 292,870.84 and 120,363.03
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Solution
The fourth proportional to 212,226.26, 292,870.84 and 120,363.03 is: 166,100.19
Step by Step Solution
- Step 1: Write the proportion equation
212,226.26 : 292,870.84 = 120,363.03 : x - Step 2: Convert to fraction form
212,226.26/292,870.84 = 120,363.03/x - Step 3: Cross multiply
212,226.26x = 292,870.84 × 120,363.03 - Step 4: Simplify right side
212,226.26x = 35,250,821,701.05 - Step 5: Solve for x
x = 35,250,821,701.05/212,226.26 - Step 6: Final answer
x = 166,100.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.