Finding the Fourth Proportional to 214,397.69, 321,608.07 and 56,621.84
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Solution
The fourth proportional to 214,397.69, 321,608.07 and 56,621.84 is: 84,935.80
Step by Step Solution
- Step 1: Write the proportion equation
214,397.69 : 321,608.07 = 56,621.84 : x - Step 2: Convert to fraction form
214,397.69/321,608.07 = 56,621.84/x - Step 3: Cross multiply
214,397.69x = 321,608.07 × 56,621.84 - Step 4: Simplify right side
214,397.69x = 18,210,039,074.21 - Step 5: Solve for x
x = 18,210,039,074.21/214,397.69 - Step 6: Final answer
x = 84,935.80
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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.