Finding the Fourth Proportional to 214,961.44, 322,381.68 and 74,716.96
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Solution
The fourth proportional to 214,961.44, 322,381.68 and 74,716.96 is: 112,054.42
Step by Step Solution
- Step 1: Write the proportion equation
214,961.44 : 322,381.68 = 74,716.96 : x - Step 2: Convert to fraction form
214,961.44/322,381.68 = 74,716.96/x - Step 3: Cross multiply
214,961.44x = 322,381.68 × 74,716.96 - Step 4: Simplify right side
214,961.44x = 24,087,379,089.29 - Step 5: Solve for x
x = 24,087,379,089.29/214,961.44 - Step 6: Final answer
x = 112,054.42
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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.