Finding the Fourth Proportional to 150,546.79, 207,695.30 and 86,872.29
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Solution
The fourth proportional to 150,546.79, 207,695.30 and 86,872.29 is: 119,849.56
Step by Step Solution
- Step 1: Write the proportion equation
150,546.79 : 207,695.30 = 86,872.29 : x - Step 2: Convert to fraction form
150,546.79/207,695.30 = 86,872.29/x - Step 3: Cross multiply
150,546.79x = 207,695.30 × 86,872.29 - Step 4: Simplify right side
150,546.79x = 18,042,966,333.24 - Step 5: Solve for x
x = 18,042,966,333.24/150,546.79 - Step 6: Final answer
x = 119,849.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.