Finding the Fourth Proportional to 207,694.08, 311,579.84 and 96,886.08
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Solution
The fourth proportional to 207,694.08, 311,579.84 and 96,886.08 is: 145,347.18
Step by Step Solution
- Step 1: Write the proportion equation
207,694.08 : 311,579.84 = 96,886.08 : x - Step 2: Convert to fraction form
207,694.08/311,579.84 = 96,886.08/x - Step 3: Cross multiply
207,694.08x = 311,579.84 × 96,886.08 - Step 4: Simplify right side
207,694.08x = 30,187,749,304.63 - Step 5: Solve for x
x = 30,187,749,304.63/207,694.08 - Step 6: Final answer
x = 145,347.18
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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.