Finding the Fourth Proportional to 214,364.76, 321,625.14 and 74,137.56
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Solution
The fourth proportional to 214,364.76, 321,625.14 and 74,137.56 is: 111,233.32
Step by Step Solution
- Step 1: Write the proportion equation
214,364.76 : 321,625.14 = 74,137.56 : x - Step 2: Convert to fraction form
214,364.76/321,625.14 = 74,137.56/x - Step 3: Cross multiply
214,364.76x = 321,625.14 × 74,137.56 - Step 4: Simplify right side
214,364.76x = 23,844,503,114.26 - Step 5: Solve for x
x = 23,844,503,114.26/214,364.76 - Step 6: Final answer
x = 111,233.32
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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.