Finding the Fourth Proportional to 214,074.83, 321,149.36 and 71,933.99
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Solution
The fourth proportional to 214,074.83, 321,149.36 and 71,933.99 is: 107,913.45
Step by Step Solution
- Step 1: Write the proportion equation
214,074.83 : 321,149.36 = 71,933.99 : x - Step 2: Convert to fraction form
214,074.83/321,149.36 = 71,933.99/x - Step 3: Cross multiply
214,074.83x = 321,149.36 × 71,933.99 - Step 4: Simplify right side
214,074.83x = 23,101,553,424.83 - Step 5: Solve for x
x = 23,101,553,424.83/214,074.83 - Step 6: Final answer
x = 107,913.45
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1.5x scale
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.