Finding the Fourth Proportional to 303,727.40, 455,331.84 and 214,700.84
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Solution
The fourth proportional to 303,727.40, 455,331.84 and 214,700.84 is: 321,867.99
Step by Step Solution
- Step 1: Write the proportion equation
303,727.40 : 455,331.84 = 214,700.84 : x - Step 2: Convert to fraction form
303,727.40/455,331.84 = 214,700.84/x - Step 3: Cross multiply
303,727.40x = 455,331.84 × 214,700.84 - Step 4: Simplify right side
303,727.40x = 97,760,128,526.75 - Step 5: Solve for x
x = 97,760,128,526.75/303,727.40 - Step 6: Final answer
x = 321,867.99
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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.