Finding the Fourth Proportional to 84,251.68, 126,377.12 and 21,922.08
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Solution
The fourth proportional to 84,251.68, 126,377.12 and 21,922.08 is: 32,883.02
Step by Step Solution
- Step 1: Write the proportion equation
84,251.68 : 126,377.12 = 21,922.08 : x - Step 2: Convert to fraction form
84,251.68/126,377.12 = 21,922.08/x - Step 3: Cross multiply
84,251.68x = 126,377.12 × 21,922.08 - Step 4: Simplify right side
84,251.68x = 2,770,449,334.81 - Step 5: Solve for x
x = 2,770,449,334.81/84,251.68 - Step 6: Final answer
x = 32,883.02
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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.