Finding the Fourth Proportional to 207,624.07, 311,477.73 and 74,514.75
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Solution
The fourth proportional to 207,624.07, 311,477.73 and 74,514.75 is: 111,787.06
Step by Step Solution
- Step 1: Write the proportion equation
207,624.07 : 311,477.73 = 74,514.75 : x - Step 2: Convert to fraction form
207,624.07/311,477.73 = 74,514.75/x - Step 3: Cross multiply
207,624.07x = 311,477.73 × 74,514.75 - Step 4: Simplify right side
207,624.07x = 23,209,683,734.05 - Step 5: Solve for x
x = 23,209,683,734.05/207,624.07 - Step 6: Final answer
x = 111,787.06
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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.