Finding the Fourth Proportional to 214,774.94, 322,137.36 and 57,015.68
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Solution
The fourth proportional to 214,774.94, 322,137.36 and 57,015.68 is: 85,516.87
Step by Step Solution
- Step 1: Write the proportion equation
214,774.94 : 322,137.36 = 57,015.68 : x - Step 2: Convert to fraction form
214,774.94/322,137.36 = 57,015.68/x - Step 3: Cross multiply
214,774.94x = 322,137.36 × 57,015.68 - Step 4: Simplify right side
214,774.94x = 18,366,880,633.80 - Step 5: Solve for x
x = 18,366,880,633.80/214,774.94 - Step 6: Final answer
x = 85,516.87
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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.