Finding the Fourth Proportional to 214,698.88, 321,557.84 and 102,457.92
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Solution
The fourth proportional to 214,698.88, 321,557.84 and 102,457.92 is: 153,452.81
Step by Step Solution
- Step 1: Write the proportion equation
214,698.88 : 321,557.84 = 102,457.92 : x - Step 2: Convert to fraction form
214,698.88/321,557.84 = 102,457.92/x - Step 3: Cross multiply
214,698.88x = 321,557.84 × 102,457.92 - Step 4: Simplify right side
214,698.88x = 32,946,147,446.09 - Step 5: Solve for x
x = 32,946,147,446.09/214,698.88 - Step 6: Final answer
x = 153,452.81
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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.