Finding the Fourth Proportional to 207,952.70, 311,929.05 and 206,203.10
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Solution
The fourth proportional to 207,952.70, 311,929.05 and 206,203.10 is: 309,304.65
Step by Step Solution
- Step 1: Write the proportion equation
207,952.70 : 311,929.05 = 206,203.10 : x - Step 2: Convert to fraction form
207,952.70/311,929.05 = 206,203.10/x - Step 3: Cross multiply
207,952.70x = 311,929.05 × 206,203.10 - Step 4: Simplify right side
207,952.70x = 64,320,737,090.06 - Step 5: Solve for x
x = 64,320,737,090.06/207,952.70 - Step 6: Final answer
x = 309,304.65
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1.5x scale
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.