Finding the Fourth Proportional to 216,628.26, 325,102.01 and 102,776.49
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Solution
The fourth proportional to 216,628.26, 325,102.01 and 102,776.49 is: 154,240.46
Step by Step Solution
- Step 1: Write the proportion equation
216,628.26 : 325,102.01 = 102,776.49 : x - Step 2: Convert to fraction form
216,628.26/325,102.01 = 102,776.49/x - Step 3: Cross multiply
216,628.26x = 325,102.01 × 102,776.49 - Step 4: Simplify right side
216,628.26x = 33,412,842,965.86 - Step 5: Solve for x
x = 33,412,842,965.86/216,628.26 - Step 6: Final answer
x = 154,240.46
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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.