Finding the Fourth Proportional to 221,453.28, 331,680.51 and 102,875.09
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Solution
The fourth proportional to 221,453.28, 331,680.51 and 102,875.09 is: 154,080.63
Step by Step Solution
- Step 1: Write the proportion equation
221,453.28 : 331,680.51 = 102,875.09 : x - Step 2: Convert to fraction form
221,453.28/331,680.51 = 102,875.09/x - Step 3: Cross multiply
221,453.28x = 331,680.51 × 102,875.09 - Step 4: Simplify right side
221,453.28x = 34,121,660,659.09 - Step 5: Solve for x
x = 34,121,660,659.09/221,453.28 - Step 6: Final answer
x = 154,080.63
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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.