Finding the Fourth Proportional to 214,331.13, 321,473.93 and 87,984.63
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Solution
The fourth proportional to 214,331.13, 321,473.93 and 87,984.63 is: 131,967.60
Step by Step Solution
- Step 1: Write the proportion equation
214,331.13 : 321,473.93 = 87,984.63 : x - Step 2: Convert to fraction form
214,331.13/321,473.93 = 87,984.63/x - Step 3: Cross multiply
214,331.13x = 321,473.93 × 87,984.63 - Step 4: Simplify right side
214,331.13x = 28,284,764,345.77 - Step 5: Solve for x
x = 28,284,764,345.77/214,331.13 - Step 6: Final answer
x = 131,967.60
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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.