Finding the Fourth Proportional to 214,600.68, 321,828.12 and 74,326.50
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Solution
The fourth proportional to 214,600.68, 321,828.12 and 74,326.50 is: 111,464.50
Step by Step Solution
- Step 1: Write the proportion equation
214,600.68 : 321,828.12 = 74,326.50 : x - Step 2: Convert to fraction form
214,600.68/321,828.12 = 74,326.50/x - Step 3: Cross multiply
214,600.68x = 321,828.12 × 74,326.50 - Step 4: Simplify right side
214,600.68x = 23,920,357,761.18 - Step 5: Solve for x
x = 23,920,357,761.18/214,600.68 - Step 6: Final answer
x = 111,464.50
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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.